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Monitoring and Control MIB for Power and Energy
draft-ietf-eman-energy-monitoring-mib-13

The information below is for an old version of the document that is already published as an RFC.
Document Type
This is an older version of an Internet-Draft that was ultimately published as RFC 7460.
Authors Mouli Chandramouli , Benoît Claise , Brad Schoening , Juergen Quittek , Thomas Dietz
Last updated 2015-10-14 (Latest revision 2014-11-27)
Replaces draft-claise-energy-monitoring-mib
RFC stream Internet Engineering Task Force (IETF)
Intended RFC status Proposed Standard
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Stream WG state Submitted to IESG for Publication
Document shepherd Eliot Lear
Shepherd write-up Show Last changed 2014-06-10
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Responsible AD Joel Jaeggli
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IANA IANA review state IANA OK - Actions Needed
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draft-ietf-eman-energy-monitoring-mib-13
Network Working Group                            M. Chandramouli 
                                                            B. Claise 
     Internet-Draft                               Cisco Systems, Inc. 
     Intended Status: Standards Track                    B. Schoening 
     Expires: May 27 2015                      Independent Consultant 
                                                          J. Quittek 
                                                            T. Dietz 
                                                     NEC Europe Ltd. 
                                                         Nov 27 2014 
                                                                    
     
                  Power, Energy Monitoring and Control MIB 
                  draft-ietf-eman-energy-monitoring-mib-13 

    Status of this Memo 

       This Internet-Draft is submitted to IETF in full conformance 
       with the provisions of BCP 78 and BCP 79.   
          
       Internet-Drafts are working documents of the Internet 
       Engineering Task Force (IETF), its areas, and its working 
       groups.  Note that other groups may also distribute working 
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       Internet-Drafts are draft documents valid for a maximum of six 
       months and may be updated, replaced, or obsoleted by other 
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       Drafts as reference material or to cite them other than as  
       "work in progress."  
        
       The list of current Internet-Drafts can be accessed at 
       http://www.ietf.org/ietf/1id-abstracts.txt  
        
       The list of Internet-Draft Shadow Directories can be accessed  
       at http://www.ietf.org/shadow.html  
     
       This Internet-Draft will expire on January 2015.                    


     
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    Copyright Notice 
     
       Copyright (c) 2014 IETF Trust and the persons identified as the 
       document authors.  All rights reserved. 
        
       This document is subject to BCP 78 and the IETF Trust's Legal 
       Provisions Relating to IETF Documents 
       (http://trustee.ietf.org/license-info) in effect on the date of 
       publication of this document.  Please review these documents 
       carefully, as they describe your rights and restrictions with 
       respect to this document.  Code Components extracted from this 
       document must include Simplified BSD License text as described 
       in Section 4.e of the Trust Legal Provisions and are provided 
       without warranty as described in the Simplified BSD License. 
        
        
    Abstract 

       This document defines a subset of the Management Information 
       Base (MIB) for power and energy monitoring of devices.  
        
    Conventions used in this document 

       The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL 
       NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", 
       "MAY", and "OPTIONAL" in this document are to be interpreted as 
       described in RFC 2119 [RFC2119]. 
        
        
        
       Table of Contents 
        
       1. Introduction ............................................... 3 
       2. The Internet-Standard Management Framework ................. 4 
       3. Use Cases .................................................. 4 
       4. Terminology ................................................ 4 
       5. Architecture Concepts Applied to the MIB Modules ........... 5 
       5.1. Energy Object Tables ..................................... 5 
       5.1.1. ENERGY-OBJECT-MIB ...................................... 5 
       5.1.2. POWER-ATTRIBUTES-MIB ................................... 7 
       5.1.3. UML Diagram ............................................ 9 
       5.2. Energy Object Identity .................................. 11 

       5.3. Power State ............................................ 12 
             5.3.1. Power State Set ................................. 13 
       5.4. Energy Object Usage Information ......................... 13 
       5.5. Optional Power Usage Attributes ......................... 14 
       5.6. Optional Energy Measurement ............................. 14 
       5.7. Fault Management ........................................ 18 
       6. Discovery ................................................. 18 
     
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       7. Link with the other IETF MIBs ............................. 19 
          7.1. Link with the ENTITY-MIB and the ENTITY-SENSOR MIB ... 19 
          7.2. Link with the ENTITY-STATE MIB ....................... 20 
          7.3. Link with the POWER-OVER-ETHERNET MIB ................ 21 
          7.4. Link with the UPS MIB ................................ 21 
          7.5. Link with the LLDP and LLDP-MED MIBs ................. 22 
       8. Structure of the MIB....................................... 23 
       9. MIB Definitions ........................................... 24 
          9.1. The IANAPowerStateSet-MIB MIB Module ................. 24 
          9.2. The ENERGY-OBJECT-MIB MIB Module ..................... 26 
          9.3. The POWER-ATTRIBUTES-MIB MIB Module .................. 48 
       10. Implementation Status .................................... 61 
       10.1. SNMP Research .......................................... 61 
       10.2. Cisco Systems .......................................... 62 
       11. Security Considerations .................................. 62 
       12. IANA Considerations....................................... 63 
       12.1. IANAPowerStateSet-MIB module ........................... 64 
       13. Contributors ............................................. 64 
       14. Acknowledgment ........................................... 64 
       15. References ............................................... 65 
       15.1. Normative References ................................... 65 
       15.2. Informative References ................................. 65 
     

        
    1. Introduction 

       This document defines a subset of the Management Information 
       Base (MIB) for use in energy management of devices within or 
       connected to communication networks.  The MIB modules in this 
       document are designed to provide a model for energy management, 
       which includes monitoring for Power State and energy consumption 
       of networked elements.  This MIB takes into account the Energy 
       Management Framework [RFC7326], which, in turn, is based on the 
       Requirements for Energy Management [RFC6988]. 

        
       Energy management can be applied to devices in communication 
       networks. Target devices for this specification include (but are 
       not limited to): routers, switches, Power over Ethernet (PoE) 
       endpoints, protocol gateways for building management systems, 
       intelligent meters, home energy gateways, hosts and servers, 
       sensor proxies, etc. Target devices and the use cases for Energy 
       Management are discussed in Energy Management Applicability 
       Statement [EMAN-AS]. 
        
       Where applicable, device monitoring extends to the individual 
       components of the device and to any attached dependent devices. 
       For example: A device can contain components that are 
       independent from a power-state point of view, such as line 
       cards, processor cards, hard drives.  A device can also have 

     
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       dependent attached devices, such as a switch with PoE endpoints 
       or a power distribution unit with attached endpoints. 
        
        
    2. The Internet-Standard Management Framework 

       For a detailed overview of the documents that describe the 
       current Internet-Standard Management Framework, please refer to 
       section 7 of RFC 3410 [RFC3410]. 
        
       Managed objects are accessed via a virtual information store, 
       termed the Management Information Base or MIB. MIB objects are 
       generally accessed through the Simple Network Management 
       Protocol (SNMP).  Objects in the MIB are defined using the 
       mechanisms defined in the Structure of Management Information 
       (SMI).  This memo specifies MIB modules that are compliant to 
       SMIv2, which is described in STD 58, RFC 2578 [RFC2578], STD 58, 
       RFC 2579 [RFC2579] and STD 58, RFC 2580 [RFC2580]. 
        
        
    3. Use Cases 

       Requirements for power and energy monitoring for networking 
       devices are specified in [RFC6988].  The requirements in 
       [RFC6988] cover devices typically found in communications 
       networks, such as switches, routers, and various connected 
       endpoints.  For a power monitoring architecture to be useful, it 
       should also apply to facility meters, power distribution units, 
       gateway proxies for commercial building control, home automation 
       devices, and devices that interface with the utility and/or 
       smart grid.  Accordingly, the scope of the MIB modules in this 
       document are broader than that specified in [RFC6988]. Several 
       use cases for Energy Management have been identified in the 
       "Energy Management (EMAN) Applicability Statement" [EMAN-AS]. 
        
        
    4. Terminology 

       Please refer to [RFC7326] for the definitions of the 
       following terminology used in this draft.   
                
               Energy Management  
               Energy Management System (EnMS)  
               Energy Monitoring  
               Energy Control  
               electrical equipment 
               non-electrical equipment (mechanical equipment)  
               device  
               component  
               power inlet   
     
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               power outlet   
               energy   
               power  
               demand   
               provide energy  
               receive energy  
               meter (energy meter)  
               battery  
               Power Interface   
               Nameplate Power  
               Power Attributes  
               Power Quality   
               Power State  
               Power State Set  
     
        
    5. Architecture Concepts Applied to the MIB Modules 

       This section describes the concepts specified in the Energy 
       Management Framework [RFC7326] that pertain to power usage, with 
       specific information related to the MIB module specified in this 
       document.  This subsection maps concepts developed in the Energy 
       Management Framework [RFC7326]. 
        
       The Energy Monitoring MIB has 2 independent MIB modules, ENERGY-
       OBJECT-MIB and POWER-ATTRIBUTES-MIB. The first, ENERGY-OBJECT-
       MIB, is focused on measurement of power and energy. The second, 
       POWER-ATTRIBUTES-MIB, is focused on power quality measurements 
       for Energy Objects. 
        
       Devices and their sub-components can be modeled using the 
       containment tree of the ENTITY-MIB [RFC6933].  
        
    5.1. Energy Object Tables 

    5.1.1. ENERGY-OBJECT-MIB 

       The ENERGY-OBJECT-MIB module consists of five tables.   

       The first table is the eoMeterCapabilitiesTable.  It indicates 
       the instrumentation available for each Energy Object.  Entries 
       in this table indicate which other tables from the ENERGY-
       OBJECT-MIB and POWER-ATTRIBUTES-MIB are available for each 
       Energy Object.  The eoMeterCapabilitiesTable is indexed by 
       entPhysicalIndex [RFC6933]. 
        
       The second table is the eoPowerTable.  It reports the power 
       consumption of each Energy Object, as well as the units, sign, 
       measurement accuracy, and related objects.  The eoPowerTable is 
       indexed by entPhysicalIndex. 
        
     
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       The third table is the eoPowerStateTable.  For each Energy 
       Object, it reports information and statistics about the 
       supported Power States.  The eoPowerStateTable is indexed by 
       entPhysicalIndex and eoPowerStateIndex. 
        
       The fourth table is the eoEnergyParametersTable.  The entries in 
       this table configure the parameters of energy and demand 
       measurement collection.  This table is indexed by 
       eoEnergyParametersIndex.  
        
       The fifth table is the eoEnergyTable.  The entries in this table 
       provide a log of the energy and demand information.  This table 
       is indexed by eoEnergyParametersIndex. 
       A "smidump-style" tree presentation of the MIB modules contained 
       in the draft is presented. The meaning of the three symbols is a 
       compressed representation of the object's MAX-ACCESS clause 
       which may have the following values: 
         
                "not-accessible"         ->  "---"  
                "accessible-for-notify"  ->  "--n"  
                "read-only"              ->  "r-n"  
                "read-write"             ->  "rwn"  
        
     
        eoMeterCapabilitiesTable(1) 
         | 
         +---eoMeterCapabilitiesEntry(1)[entPhysicalIndex]   
         |   | 
         |   +---r-n  BITS             eoMeterCapability 
         |     
               
        eoPowerTable(2) 
         | 
         +---eoPowerEntry(1) [entPhysicalIndex] 
         |   |  
         |   +---r-n Integer32         eoPower(1) 
         |   +-- r-n Unsigned32        eoPowerNamePlate(2) 
         |   +-- r-n UnitMultiplier    eoPowerUnitMultiplier(3) 
         |   +-- r-n Integer32         eoPowerAccuracy(4) 
         |   +-- r-n INTEGER           eoPowerMeasurementCaliber(5) 
         |   +-- r-n INTEGER           eoPowerCurrentType(6) 
         |   +-- r-n TruthValue        eoPowerMeasurementLocal(7) 
         |   +-- rwn PowerStateSet     eoPowerAdminState(8) 
         |   +-- r-n PowerStateSet     eoPowerOperState(9) 
         |   +-- r-n OwnerString       eoPowerStateEnterReason(10) 
         |    
         |    
         |    
         +---eoPowerStateTable(3) 
         | 
     
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         |      +--eoPowerStateEntry(1) 
         |      |     [entPhysicalIndex, eoPowerStateIndex]  
         |      | 
         |      +-- --n PowerStateSet eoPowerStateIndex(1) 
         |      +-- r-n Integer32         eoPowerStateMaxPower(2) 
         |      +-- r-n UnitMultiplier  
         |                      eoPowerStatePowerUnitMultiplier(3) 
         |      +-- r-n TimeTicks         eoPowerStateTotalTime(4) 
         |      +-- r-n Counter32         eoPowerStateEnterCount(5) 
         | 
         +eoEnergyParametersTable(4) 
         | 
         +---eoEnergyParametersEntry(1) [eoEnergyParametersIndex] 
         |    
         |   +-- --n PhysicalIndex  eoEnergyObjectIndex(1) 
         |   +   r-n Integer32      eoEnergyParametersIndex(2)   
         |   +-- rwn TimeInterval   eoEnergyParametersIntervalLength(3) 
         |   +-- rwn Unsigned32     eoEnergyParametersIntervalNumber(4) 
         |   +-- rwn INTEGER        eoEnergyParametersIntervalMode(5) 
         |   +-- rwn TimeInterval   eoEnergyParametersIntervalWindow(6) 
         |   +-- rwn Unsigned32     eoEnergyParametersSampleRate(7) 
         |   +-- rwn StorageType    eoEnergyParametersStorageType(8) 
         |   +-- rwn RowStatus      eoEnergyParametersStatus(9) 
         |       
         +eoEnergyTable(5) 
         | 
         +---eoEnergyEntry(1)  
         |    [eoEnergyParametersIndex,eoEnergyCollectionStartTime] 
         |      
         |   +-- r-n TimeTicks      eoEnergyCollectionStartTime(1) 
         |   +-- r-n Unsigned32     eoEnergyConsumed(2) 
         |   +-- r-n Unsigned32     eoEnergyProvided(3)   
         |   +-- r-n Unsigned32     eoEnergyStored(4) 
         |   +-- r-n UnitMultiplier eoEnergyUnitMultiplier(5) 
         |   +-- r-n Integer32      eoEnergyAccuracy(6) 
         |   +-- r-n Unsigned32     eoEnergyMaxConsumed(7) 
         |   +-- r-n Unsigned32     eoEnergyMaxProduced(8) 
         |   +-- r-n TimeTicks      eoEnergyDiscontinuityTime(9) 
         
        
    5.1.2. POWER-ATTRIBUTES-MIB 

             
       The POWER-ATTRIBUTES-MIB module consists of three tables.   

       The first table is the eoACPwrAttributesTable.  It indicates the 
       power quality available for each Energy Object.  The 
       eoACPwrAttributesTable is indexed by entPhysicalIndex [RFC6933]. 
        
       The second table is the eoACPwrAttributesDelPhaseTable.  The 
       entries in this table configure the parameters of energy and 
     
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       demand measurement collection.  This table is indexed by 
       eoEnergyParametersIndex.  
        
       The third table is the eoACPwrAttributesWyePhaseTable.  For each 
       Energy Object, it reports information and statistics about the 
       supported Power States.  The eoPowerStateTable is indexed by 
       entPhysicalIndex and eoPowerStateIndex. 
        
       eoACPwrAttributesTable(1) 
         | 
         +---eoACPwrAttributesEntry(1) [ entPhysicalIndex] 
         |   | 
         |   +---r-n INTEGER    eoACPwrAttributesConfiguration(1) 
         |   +-- r-n Integer32  eoACPwrAttributesAvgVoltage(2) 
         |   +-- r-n Unsigned32 eoACPwrAttributesAvgCurrent(3) 
         |   +-- r-n Integer32  eoACPwrAttributesFrequency(4) 
         |   +-- r-n UnitMultiplier  
         |                eoACPwrAttributesPowerUnitMultiplier(5) 
         |   +-- r-n Integer32  eoACPwrAttributesPowerAccuracy(6) 
         |   +-- r-n Integer32    
         |                   eoACPwrAttributesTotalActivePower(7) 
         |   +-- r-n Integer32   
         |                 eoACPwrAttributesTotalReactivePower(8) 
         |   +-- r-n Integer32     
         |                 eoACPwrAttributesTotalApparentPower(9) 
         |   +-- r-n Integer32     
         |                  eoACPwrAttributesTotalPowerFactor(10) 
         |   +-- r-n Integer32  eoACPwrAttributesThdCurrent(11) 
         |   +-- r-n Integer32  eoACPwrAttributesThdVoltage(12) 
         |      
         +eoACPwrAttributesDelPhaseTable(2) 
         | 
         +-- eoACPwrAttributesDelPhaseEntry(1)  
         |     |   [entPhysicalIndex, eoACPwrAttributesDelPhaseIndex] 
         |     |       
         |     +-- r-n Integer32 
         |     |    eoACPwrAttributesDelPhaseIndex(1)                      
         |     +-- r-n Integer32 
         |     |    eoACPwrAttributesDelPhaseToNextPhaseVoltage(2) 
         |     +-- r-n Integer32  
         |     | eoACPwrAttributesDelThdPhaseToNextPhaseVoltage(3) 
         |     | 
         +eoACPwrAttributesWyePhaseTable(3) 
         | 
         +-- eoACPwrAttributesWyePhaseEntry(1)  
         |     |   [entPhysicalIndex, eoACPwrAttributesWyePhaseIndex] 
         |     |        
         |     +-- r-n Integer32  
         |     |     eoACPwrAttributesWyePhaseIndex(1)                      
         |     +-- r-n Integer32  
         |     |     eoACPwrAttributesWyePhaseToNeutralVoltage(2) 
     
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         |     +-- r-n Integer32   
         |     |     eoACPwrAttributesWyeCurrent(3) 
         |     +-- r-n Integer32   
         |     |     eoACPwrAttributesWyeActivePower(4) 
         |     +-- r-n Integer32   
         |     |     eoACPwrAttributesWyeReactivePower(5) 
         |     +-- r-n Integer32   
         |     |     eoACPwrAttributesWyeApparentPower(6) 
         |     +-- r-n Integer32  
         |     |     eoACPwrAttributesWyePowerFactor(7) 
         |     +-- r-n Integer32   
         |     |     eoACPwrAttributesWyeThdCurrent(9) 
         |     +-- r-n Integer32 
         |     |     eoACPwrAttributesWyeThdPhaseToNeutralVoltage(10) 
        
               
    5.1.3. UML Diagram  

       A UML diagram representation of the MIB objects in the two MIB 
       modules ENERGY-OBJECT-MIB and POWER-ATTRIBUTES-MIB is presented.  
        
             +-----------------------+ 
             | Meter Capabilities    | 
             | --------------------- | 
             | eoMeterCapability     | 
             +-----------------------+ 
        
             +-----------------------+ 
       |---> |  Energy Object ID (*) | 
       |     | --------------------- | 
       |     | entPhysicalIndex      | 
       |     | entPhysicalClass      | 
       |     | entPhysicalName       | 
       |     | entPhysicalUUID       | 
       |     +-----------------------+ 
       |    
       |     +---------------------------+ 
       |---- |_ Power Table              | 
       |     | ------------------------- | 
       |     | eoPower                   | 
       |     | eoPowerNamePlate          | 
       |     | eoPowerUnitMultiplier     | 
       |     | eoPowerAccuracy           | 
       |     | eoPowerMeasurementCaliber | 
       |     | eoPowerCurrentType        | 
       |     | eoPowerMeasurementLocal   | 
       |     | eoPowerAdminState         | 
       |     | eoPowerOperState          | 
       |     | eoPowerStateEnterReason   | 
       |     +---------------------------+ 
       |                             
     
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       |     +---------------------------------+   
       |---- |_Energy Object State Statistics  |   
       |     |-------------------------------- |    
       |     | eoPowerStateIndex               |   
       |     | eoPowerStateMaxPower            |   
       |     | eoPowerStatePowerUnitMultiplier | 
       |     | eoPowerStateTotalTime           | 
       |     | eoPowerStateEnterCount          |    
       |     +---------------------------------+    
       | 
       |     +----------------------------------+  
       |---- |    Energy ParametersTable        | 
       |     | -------------------------------- |    
       |     | eoEnergyObjectIndex              | 
       |     | eoEnergyParametersIndex          | 
       |     | eoEnergyParametersIntervalLength | 
       |     | eoEnergyParametersIntervalNumber | 
       |     | eoEnergyParametersIntervalMode   | 
       |     | eoEnergyParametersIntervalWindow | 
       |     | eoEnergyParametersSampleRate     | 
       |     | eoEnergyParametersStorageType    |    
       |     | eoEnergyParametersStatus         |    
       |     +----------------------------------+         
       | 
       |     +----------------------------------+           
       |---- |    Energy Table                  |                          
             | -------------------------------- |                          
             | eoEnergyCollectionStartTime      |                        
             | eoEnergyConsumed                 | 
             | eoEnergyProvided                 | 
             | eoEnergyStored                   | 
             | eoEnergyUnitMultiplier           | 
             | eoEnergyAccuracy                 |           
             | eoEnergyMaxConsumed              | 
             | eoEnergyMaxProduced              |    
             | eoDiscontinuityTime              |    
             +----------------------------------+         
         
        
             Figure 1:UML diagram for energyObjectMib    
                             
             (*) Compliance with the ENERGY-OBJECT-CONTEXT-MIB 
        
     
             +-----------------------+ 
       |---> |  Energy Object ID (*) | 
       |     | --------------------- | 
       |     | entPhysicalIndex      | 
       |     | entPhysicalName       | 
       |     | entPhysicalUUID       | 
       |     +-----------------------+ 
     
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       |                          
       |     +--------------------------------------+  
       |---- |  Power Attributes                    |  
       |     | ------------------------------------ |   
       |     | eoACPwrAttributesConfiguration       | 
       |     | eoACPwrAttributesAvgVoltage          | 
       |     | eoACPwrAttributesAvgCurrent          | 
       |     | eoACPwrAttributesFrequency           | 
       |     | eoACPwrAttributesPowerUnitMultiplier | 
       |     | eoACPwrAttributesPowerAccuracy       | 
       |     | eoACPwrAttributesTotalActivePower    | 
       |     | eoACPwrAttributesTotalReactivePower  | 
       |     | eoACPwrAttributesTotalApparentPower  | 
       |     | eoACPwrAttributesTotalPowerFactor    |    
       |     | eoACPwrAttributesThdCurrent          | 
       |     | eoACPwrAttributesThdVoltage          | 
       |     +--------------------------------------+    
       |     
       |     
       |     +------------------------------------------------+ 
       |---- |  AC Input DEL Configuration                    | 
       |     | ---------------------------------------------- | 
       |     | eoACPwrAttributesDelPhaseIndex                 | 
       |     | eoACPwrAttributesDelPhaseToNextPhaseVoltage    | 
       |     | eoACPwrAttributesDelThdPhaseToNextPhaseVoltage | 
       |     +------------------------------------------------+  
       |      
       | 
       |     +----------------------------------------------+  
       |---- |  AC Input WYE Configuration                  | 
             | -------------------------------------------- | 
             | eoACPwrAttributesWyePhaseIndex               | 
             | eoACPwrAttributesWyePhaseToNeutralVoltage    | 
             | eoACPwrAttributesWyeCurrent                  | 
             | eoACPwrAttributesWyeActivePower              | 
             | eoACPwrAttributesWyeReactivePower            |  
             | eoACPwrAttributesWyeApparentPower            |  
             | eoACPwrAttributesWyePowerFactor              | 
             | eoACPwrAttributesWyeThdCurrent               | 
             | eoACPwrAttributesWyeThdPhaseToNeutralVoltage | 
             +----------------------------------------------+   
        
              Figure 2: UML diagram for the POWER-ATTRIBUTES-MIB  
     
                (*) Compliance with the ENERGY-OBJECT-CONTEXT-MIB 
     

    5.2. Energy Object Identity 

       The Energy Object identity information is specified in the 
       ENERGY-OBJECT-CONTEXT-MIB module [EMAN-AWARE-MIB] primary table, 
     
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       i.e., the eoTable.  In this table, Energy Object context such as 
       domain, role description, and importance are specified.  In 
       addition, the ENERGY-OBJECT-CONTEXT-MIB module specifies the 
       relationship between Energy Objects.  There are several possible 
       relationships between Energy Objects, such as meteredBy, 
       metering, poweredBy, powering, aggregatedBy, and aggregating as 
       defined in the IANA-ENERGY-RELATION-MIB module [EMAN-AWARE-MIB].  
     

    5.3. Power State 

       An Energy Object may have energy conservation modes called Power 
       States.  Between the ON and OFF states of a device, there can be 
       several intermediate energy saving modes.  Those energy saving 
       modes are called Power States.  
        
       Power States, which represent universal states of power 
       management of an Energy Object, are specified by the 
       eoPowerState MIB object.  The actual Power State is specified by 
       the eoPowerOperState MIB object, while the eoPowerAdminState MIB 
       object specifies the Power State requested for the Energy 
       Object. The difference between the values of eoPowerOperState 
       and eoPowerAdminState indicates that the Energy Object is busy 
       transitioning from eoPowerAdminState into the eoPowerOperState, 
       at which point it will update the content of eoPowerOperState.  
       In addition, the possible reason for change in Power State is 
       reported in eoPowerStateEnterReason.  Regarding 
       eoPowerStateEnterReason, management stations and Energy Objects 
       should support any format of the owner string dictated by the 
       local policy of the organization.  It is suggested that this 
       name contain at least the reason for the transition change, and 
       one or more of the following: IP address, management station 
       name, network manager's name, location, or phone number. 
        
       The MIB objects eoPowerOperState, eoPowerAdminState , and 
       eoPowerStateEnterReason are contained in the eoPowerTable MIB 
       table. 
           
       The eoPowerStateTable table enumerates the maximum power usage 
       in watts for every single supported Power State of each Power 
       State Set supported by the Energy Object.  In addition, 
       PowerStateTable provides additional statistics such as 
       eoPowerStateEnterCount, i.e., the number of times an entity has 
       visited a particular Power State, and eoPowerStateTotalTime, 
       i.e., the total time spent in a particular Power State of an 
       Energy Object.  
        
        

     
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    5.3.1. Power State Set 

       There are several standards and implementations of Power State 
       Sets.  An Energy Object can support one or multiple Power State 
       Set implementations concurrently.  
        
       There are currently three Power State Sets defined:   
        
         IEEE1621(256) - [IEEE1621] 
         DMTF(512)     - [DMTF] 
         EMAN(768)     - [RFC7326] 
     
       The Power State Sets are listed in [RFC7326] along with each 
       Power State within the Power Set.  The Power State Sets are 
       specified by the PowerStateSet Textual as an IANA-maintained MIB 
       module. The initial version of this MIB module is specified in 
       this document. 

        
    5.4. Energy Object Usage Information 

       For an Energy Object, power usage is reported using eoPower.  
       The magnitude of measurement is based on the 
       eoPowerUnitMultiplier MIB variable, based on the UnitMultiplier 
       Textual Convention (TC). Power measurement magnitude should 
       conform to the IEC 62053-21 [IEC.62053-21] and IEC 62053-22 
       [IEC.62053-22] definition of unit multiplier for the SI (System 
       International) units of measure.  Measured values are 
       represented in SI units obtained by BaseValue * 10 raised to the 
       power of the unit multiplier.   
         
       For example, if current power usage of an Energy Object is 3, it 
       could be 3 W, 3 mW, 3 KW, or 3 MW, depending on the value of 
       eoPowerUnitMultiplier.  Note that other measurements throughout 
       the two MIB modules in this document use the same mechanism, 
       including eoPowerStatePowerUnitMultiplier, 
       eoEnergyUnitMultiplier, and oACPwrAttributesPowerUnitMultiplier. 
        
       In addition to knowing the usage and magnitude, it is useful to 
       know how an eoPower measurement was obtained.  An NMS can use 
       this to account for the accuracy and nature of the reading 
       between different implementations.  eoPowerMeasurementLocal 
       describes whether the measurements were made at the device 
       itself or from a remote source.  The eoPowerMeasurementCaliber 
       describes the method that was used to measure the power and can 
       distinguish actual or estimated values.  There may be devices in 
       the network, which may not be able to measure or report power 
       consumption.  For those devices, the object 
       eoPowerMeasurementCaliber shall report that the measurement 
       mechanism is "unavailable" and the eoPower measurement shall be 
       "0".  
     
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       The nameplate power rating of an Energy Object is specified in 
       eoPowerNameplate MIB object. 
        
        
    5.5. Optional Power Usage Attributes  

       The optional POWER-ATTRIBUTES-MIB module can be implemented to 
       further describe power usage attributes measurement.  The POWER-
       ATTRIBUTES-MIB module is aligned with IEC 61850 7-2 standard to 
       describe AC measurements.   
        
       The POWER-ATTRIBUTES-MIB module contains a primary table, 
       eoACPwrAttributesTable, that defines power attributes 
       measurements for supported entPhysicalIndex entities, as a 
       sparse extension of the eoPowerTable (with entPhysicalIndex as 
       primary index).  This eoACPwrAttributesTable table contains such 
       information as the configuration (single phase, DEL 3 phases, 
       WYE 3 phases), voltage, frequency, power accuracy, total 
       active/reactive power/apparent power, amperage, and voltage.  
        
       In case of 3-phase power, an additional table is populated with 
       Power Attributes measurements per phase (hence, double indexed 
       by the entPhysicalIndex and a phase index).  This table, 
       describes attributes specific to either WYE or DEL 
       configurations. 
        
       In a DEL configuration, the eoACPwrAttributesDelPhaseTable 
       describes the phase-to-phase power attributes measurements, 
       i.e., voltage.  In a DEL configuration, the current is equal in 
       all three phases.  
        
       In a WYE configuration, the eoACPwrAttributesWyePhaseTable 
       describes the phase-to-neutral power attributes measurements, 
       i.e., voltage, current, active/reactive/apparent power, and 
       power factor. 
        
    5.6. Optional Energy Measurement 

       It is only relevant to measure energy and demand when there are 
       actual power measurements obtained from measurement hardware. If 
       the eoPowerMeasurementCaliber MIB object has values of 
       unavailable, unknown, estimated, or presumed, then the energy 
       and demand values are not useful. 
        
       Two tables are introduced to characterize energy measurement of 
       an Energy Object: eoEnergyTable and eoEnergyParametersTable.  
       Both energy and demand information can be represented via the 
       eoEnergyTable.  Demand information can be represented.  
       The eoEnergyParametersTable consists of the parameters defining  

     
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       eoEnergyParametersIndex - an index for the Energy Object, 
       eoEnergyObjectIndex - linked to the entPhysicalIndex of the 
       Energy Object, the duration of measurement intervals in seconds, 
       (eoEnergyParametersIntervalLength), the number of successive 
       intervals to be stored in the eoEnergyTable, 
       (eoEnergyParametersIntervalNumber), the type of measurement 
       technique (eoEnergyParametersIntervalMode), and a sample rate 
       used to calculate the average (eoEnergyParametersSampleRate).  
       Judicious choice of the sampling rate will ensure accurate 
       measurement of energy while not imposing an excessive polling 
       burden. 
         
       There are three eoEnergyParametersIntervalMode types used for 
       energy measurement collection: period, sliding, and total.  The 
       choices of the three different modes of collection are based on 
       IEC standard 61850-7-4.  Note that multiple 
       eoEnergyParametersIntervalMode types MAY be configured 
       simultaneously.  It is important to note that for a given Energy 
       Object, multiple modes (periodic, total, sliding window) of 
       energy measurement collection can be configured with the use of 
       eoEnergyParametersIndex.  However, simultaneous measurement in 
       multiple modes for a given Energy Object depends on the Energy 
       Object capability.  
     
       These three eoEnergyParametersIntervalMode types are illustrated 
       by the following three figures, for which: 
        
       - The horizontal axis represents the current time, with the 
       symbol <--- L ---> expressing the 
       eoEnergyParametersIntervalLength, and the 
       eoEnergyCollectionStartTime is represented by S1, S2, S3, S4, 
       ..., Sx where x is the value of 
       eoEnergyParametersIntervalNumber. 
        
       - The vertical axis represents the time interval of sampling and 
       the value of eoEnergyConsumed can be obtained at the end of the 
       sampling period.  The symbol =========== denotes the duration of 
       the sampling period.  
        
     
             |             |             | =========== |     
             |============ |             |             |   
             |             |             |             | 
             |             |============ |             | 
             |             |             |             | 
             | <--- L ---> | <--- L ---> | <--- L ---> | 
             |             |             |             | 
            S1            S2            S3             S4 
        
               Figure 3 : Period eoEnergyParametersIntervalMode 
        
     
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       A eoEnergyParametersIntervalMode type of 'period' specifies non-
       overlapping periodic measurements.  Therefore, the next 
       eoEnergyCollectionStartTime is equal to the previous 
       eoEnergyCollectionStartTime plus 
       eoEnergyParametersIntervalLength. S2=S1+L; S3=S2+L, ... 
        
        
                      |============ |            
                      |             |           
                      | <--- L ---> |        
                      |             |         
                      |   |============ |      
                      |   |             | 
                      |   | <--- L ---> |     
                      |   |             |           
                      |   |   |============ |  
                      |   |   |             |              
                      |   |   | <--- L ---> |  
                      |   |   |             |      
                      |   |   |   |============ |  
                      |   |   |   |             |    
                      |   |   |   | <--- L ---> | 
                     S1   |   |   |             | 
                          |   |   |             | 
                          |   |   |             | 
                         S2   |   |             | 
                              |   |             | 
                              |   |             | 
                             S3   |             | 
                                  |             | 
                                  |             | 
                                 S4 
        
               Figure 4 : Sliding eoEnergyParametersIntervalMode 
        
       A eoEnergyParametersIntervalMode type of 'sliding' specifies 
       overlapping periodic measurements. 
     
        
     
       |                          | 
       |========================= | 
       |                          | 
       |                          | 
       |                          | 
       |  <--- Total length --->  | 
       |                          | 
                        S1             
        
               Figure 5  : Total eoEnergyParametersIntervalMode 
        
     
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       A eoEnergyParametersIntervalMode type of 'total' specifies a 
       continuous measurement since the last reset.  The value of 
       eoEnergyParametersIntervalNumber should be (1) one and 
       eoEnergyParametersIntervalLength is ignored. 
        
       The eoEnergyParametersStatus is used to start and stop energy 
       usage logging.  The status of this variable is "active" when all 
       the objects in eoEnergyParametersTable are appropriate which in 
       turn indicates if eoEnergyTable entries exist or not. Finally, 
       the eoEnergyParametersStorageType variable indicates the storage 
       type for this row, i.e. whether the persistence is maintained 
       across a device reload. 
        
       The eoEnergyTable consists of energy measurements in 
       eoEnergyConsumed, eoEnergyProvided and eoEnergyStored, the units 
       of the measured energy eoEnergyUnitMultiplier, and the maximum 
       observed energy within a window eoEnergyMaxConsumed, 
       eoEnergyMaxProduced.    
        
       Measurements of the total energy consumed by an Energy Object 
       may suffer from interruptions in the continuous measurement of 
       energy consumption.  In order to indicate such interruptions, 
       the object eoEnergyDiscontinuityTime is provided for indicating 
       the time of the last interruption of total energy measurement.  
       eoEnergyDiscontinuityTime shall indicate the sysUpTime [RFC3418] 
       when the device was reset.  
        
       The following example illustrates the eoEnergyTable and 
       eoEnergyParametersTable: 
        
       First, in order to estimate energy, a time interval to sample 
       energy should be specified, i.e., 
       eoEnergyParametersIntervalLength can be set to "900 seconds" or 
       15 minutes and the number of consecutive intervals over which 
       the maximum energy is calculated 
       (eoEnergyParametersIntervalNumber) as "10".  The sampling rate 
       internal to the Energy Object for measurement of power usage 
       (eoEnergyParametersSampleRate) can be "1000 milliseconds", as 
       set by the Energy Object as a reasonable value.  Then, the 
       eoEnergyParametersStatus is set to active to indicate that the 
       Energy Object should start monitoring the usage per the 
       eoEnergyTable. 
        
       The indices for the eoEnergyTable are eoEnergyParametersIndex, 
       which identifies the index for the setting of energy measurement 
       collection Energy Object, and eoEnergyCollectionStartTime, which 
       denotes the start time of the energy measurement interval based 
       on sysUpTime [RFC3418].  The value of eoEnergyComsumed is the 
       measured energy consumption over the time interval specified 
       (eoEnergyParametersIntervalLength) based on the Energy Object 
       internal sampling rate (eoEnergyParametersSampleRate).  While 
     
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       choosing the values for the eoEnergyParametersIntervalLength and 
       eoEnergyParametersSampleRate, it is recommended to take into 
       consideration either the network element resources adequate to 
       process and store the sample values, and the mechanism used to 
       calculate the eoEnergyConsumed.  The units are derived from 
       eoEnergyUnitMultiplier.  For example, eoEnergyConsumed can be 
       "100" with eoEnergyUnitMultiplier equal to 0, the measured 
       energy consumption of the Energy Object is 100 watt-hours.  The 
       eoEnergyMaxConsumed is the maximum energy observed and that can 
       be "150 watt-hours". 
        
       The eoEnergyTable has a buffer to retain a certain number of 
       intervals, as defined by eoEnergyParametersIntervalNumber.   
       If the default value of "10" is kept, then the eoEnergyTable 
       contains 10 energy measurements, including the maximum.   
        
       Here is a brief explanation of how the maximum energy can be 
       calculated.  The first observed energy measurement value is 
       taken to be the initial maximum.  With each subsequent 
       measurement, based on numerical comparison, maximum energy may 
       be updated.  The maximum value is retained as long as the 
       measurements are taking place.  Based on periodic polling of 
       this table, an NMS could compute the maximum over a longer 
       period, e.g., a month, 3 months, or a year. 
     

    5.7. Fault Management 

       [RFC6988] specifies requirements about Power States such as "the 
       current Power State" , "the time of the last state change", "the 
       total time spent in each state", "the number of transitions to 
       each state" etc.  Some of these requirements are fulfilled 
       explicitly by MIB objects such as eoPowerOperState, 
       eoPowerStateTotalTime and eoPowerStateEnterCount.  Some of the 
       other requirements are met via the SNMP NOTIFICATION mechanism.  
       eoPowerStateChange SNMP notification which is generated when the 
       value of oPowerStateIndex, eoPowerOperState, or 
       eoPowerAdminState have changed.  
        
         
    6. Discovery 

       It is probable that most Energy Objects will require the 
       implementation of the ENERGY-OBJECT-CONTEXT-MIB [EMAN-AWARE-MIB] 
       as a prerequisite for this MIB module.  In such a case, 
       eoPowerTable of the EMAN-ENERGY-OBJECT-MIB is cross-referenced 
       with the eoTable of ENERGY-OBJECT-CONTEXT-MIB via 
       entPhysicalIndex.  Every Energy Object MUST implement 
       entPhysicalIndex, entPhysicalClass, entPhysicalName and 
       entPhysicalUUID from the ENTITY-MIB [RFC6933].  As the primary 
       index for the Energy Object, entPhysicalIndex is used: It 
     
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       characterizes the Energy Object in the ENERGY-OBJECT-MIB and the 
       POWER-ATTRIBUTES-MIB MIB modules (this document). 

       The NMS must first poll the ENERGY-OBJECT-CONTEXT-MIB MIB module 
       [EMAN-AWARE-MIB], if available, in order to discover all the 
       Energy Objects and the relationships between those Energy 
       Objects. In the ENERGY-OBJECT-CONTEXT-MIB module tables, the 
       Energy Objects are indexed by the entPhysicalIndex. 

       From there, the NMS must poll the eoPowerStateTable (specified 
       in the ENERGY-OBJECT-MIB module in this document), which 
       enumerates, amongst other things, the maximum power usage.  As 
       the entries in eoPowerStateTable table are indexed by the  
       Energy Object ( entPhysicalIndex) and by the Power State Set 
       (eoPowerStateIndex), the maximum power usage is discovered per  
       Energy Object, and the power usage per Power State of the Power 
       State Set.  In other words, reading the eoPowerStateTable allows 
       the discovery of each Power State within every Power State Set 
       supported by the Energy Object.               

       The MIB module may be populated with the Energy Object 
       relationship information, which have its own Energy Object index 
       value (entPhysicalIndex). However, the Energy Object 
       relationship must be discovered via the ENERGY-OBJECT-CONTEXT-
       MIB module.  

       Finally, the NMS can monitor the power attributes with the 
       POWER-ATTRIBUTES-MIB MIB module, which reuses the 
       entPhysicalIndex to index the Energy Object. 

                                     
    7. Link with the other IETF MIBs 

        
    7.1. Link with the ENTITY-MIB and the ENTITY-SENSOR MIB  

       RFC 6933 [RFC6933] defines the ENTITY-MIB module that lists the 
       physical entities of a networking device (router, switch, etc.) 
       and those physical entities indexed by entPhysicalIndex.  From 
       an energy-management standpoint, the physical entities that 
       consume or produce energy are of interest. 
        
       RFC 3433 [RFC3433] defines the ENTITY-SENSOR MIB module that 
       provides a standardized way of obtaining information (current 
       value of the sensor, operational status of the sensor, and the 
       data units precision) from sensors embedded in networking 
       devices.  Sensors are associated with each index of 
       entPhysicalIndex of the ENTITY-MIB [RFC6933].  While the focus 
       of the Power, Energy Monitoring and Control MIB is on 
       measurement of power usage of networking equipment indexed by 
       the ENTITY-MIB, this MIB supports a customized power scale for 
     
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       power measurement and different Power States of networking 
       equipment, and functionality to configure the Power States. 
        
       The Energy Objects are modeled by the entPhysicalIndex through 
       the entPhysicalEntity MIB object specified in the eoTable in the 
       ENERGY-OBJECT-CONTEXT-MIB MIB module [EMAN-AWARE-MIB].   

       The ENTITY-SENSOR MIB [RFC3433] does not have the ANSI C12.x 
       accuracy classes required for electricity (e.g., 1%, 2%, 0.5% 
       accuracy classes). Indeed, entPhySensorPrecision [RFC3433] 
       represents "The number of decimal places of precision in fixed-
       point sensor values returned by the associated entPhySensorValue 
       object".  The ANSI and IEC Standards are used for power 
       measurement and these standards require that we use an accuracy 
       class, not the scientific-number precision model specified in 
       RFC3433.  The eoPowerAccuracy MIB object models this accuracy.  
       Note that eoPowerUnitMultipler represents the scale factor per 
       IEC 62053-21 [IEC.62053-21] and IEC 62053-22 [IEC.62053-22], 
       which is a more logical representation for power measurements 
       (compared to entPhySensorScale), with the mantissa and the 
       exponent values X * 10 ^ Y. 

       Power measurements specifying the qualifier 'UNITS' for each 
       measured value in watts are used in the LLDP-EXT-MED-MIB, POE 
       [RFC3621], and UPS [RFC1628] MIBs.  The same 'UNITS' qualifier 
       is used for the power measurement values.    
        
       One cannot assume that the ENTITY-MIB and ENTITY-SENSOR MIB are 
       implemented for all Energy Objects that need to be monitored.  A 
       typical example is a converged building gateway, which can 
       monitor other devices in a building and provides a proxy between 
       SNMP and a protocol like BACNET.  Another example is the home 
       energy controller.  In such cases, the eoPhysicalEntity value 
       contains the zero value, using the PhysicalIndexOrZero textual 
       convention. 
        
       The eoPower is similar to entPhySensorValue [RFC3433] and the 
       eoPowerUnitMultipler is similar to entPhySensorScale. 
        
        
    7.2. Link with the ENTITY-STATE MIB  

       For each entity in the ENTITY-MIB [RFC6933], the ENTITY-STATE 
       MIB [RFC4268] specifies the operational states (entStateOper: 
       unknown, enabled, disabled, testing), the alarm (entStateAlarm: 
       unknown, underRepair, critical, major, minor, warning, 
       indeterminate) and the possible values of standby states  
       (entStateStandby: unknown, hotStandby, coldStandby, 
       providingService). 
        

     
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       From a power monitoring point of view, in contrast to the entity 
       operational states of entities, Power States are required, as 
       proposed in the Power, Energy Monitoring and Control MIB module.  
       Those Power States can be mapped to the different operational 
       states in the ENTITY-STATE MIB, if a formal mapping is required.  
       For example, the entStateStandby "unknown", "hotStandby", 
       "coldStandby", states could map to the Power State "unknown", 
       "ready", "standby", respectively, while the entStateStandby 
       "providingService" could map to any "low" to "high" Power State. 
        
        
    7.3. Link with the POWER-OVER-ETHERNET MIB 

       Power-over-Ethernet MIB [RFC3621] provides an energy monitoring 
       and configuration framework for power over Ethernet devices.  
       RFC 3621 defines a port group entity on a switch for power 
       monitoring and management policy and does not use the 
       entPhysicalIndex index.  Indeed, pethMainPseConsumptionPower is 
       indexed by the pethMainPseGroupIndex, which has no mapping with 
       the entPhysicalIndex.  
        
       If the Power-over-Ethernet MIB [RFC3621] is supported, the 
       Energy Object eoethPortIndex and eoethPortGrpIndex contain the 
       pethPsePortIndex and pethPsePortGroupIndex, respectively. 
       However, one cannot assume that the Power-over-Ethernet MIB is 
       implemented for most or all Energy Objects. In such cases, the 
       eoethPortIndex and eoethPortGrpIndex values contain the zero 
       value, via the new PethPsePortIndexOrZero and textual 
       PethPsePortGroupIndexOrZero conventions. 
        
       In either case, the entPhysicalIndex MIB object is used as the 
       unique Energy Object index. 
        
       Note that, even though the Power-over-Ethernet MIB [RFC3621] was 
       created after the ENTITY-SENSOR MIB [RFC3433], it does not reuse 
       the precision notion from the ENTITY-SENSOR MIB, i.e., the 
       entPhySensorPrecision MIB object. 
        
         
    7.4. Link with the UPS MIB 

       To protect against unexpected power disruption, data centers and 
       buildings make use of Uninterruptible Power Supplies (UPS).  To 
       protect critical assets, a UPS can be restricted to a particular 
       subset or domain of the network.  UPS usage typically lasts only 
       for a finite period of time, until normal power supply is 
       restored.  Planning is required to decide on the capacity of the 
       UPS based on output power and duration of probable power outage.  
       To properly provision UPS power in a data center or building, it 
       is important to first understand the total demand required to 
       support all the entities in the site.  This demand can be 
     
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       assessed and monitored via the Power, Energy Monitoring and 
       Control MIB.  

       UPS MIB [RFC1628] provides information on the state of the UPS 
       network.  Implementation of the UPS MIB is useful at the 
       aggregate level of a data center or a building.  The MIB module 
       contains several groups of variables: 

       - upsIdent: Identifies the UPS entity (name, model, etc.).  

       - upsBattery group: Indicates the battery state 
       (upsbatteryStatus, upsEstimatedMinutesRemaining, etc.) 

       - upsInput group: Characterizes the input load to the UPS 
       (number of input lines, voltage, current, etc.). 

       - upsOutput: Characterizes the output from the UPS (number of 
       output lines, voltage, current, etc.) 

       - upsAlarms: Indicates the various alarm events.   

       The measurement of power in the UPS MIB is in volts, amperes and 
       watts.  The units of power measurement are RMS volts and RMS 
       Amperes. They are not based on the EntitySensorDataScale and 
       EntitySensorDataPrecision of ENTITY-SENSOR-MIB. 

       Both the Power, Energy Monitoring and Control MIB and the UPS 
       MIB may be implemented on the same UPS SNMP agent, without 
       conflict.  In this case, the UPS device itself is the Energy 
       Object and any of the UPS meters or submeters are the Energy 
       Objects with a possible relationship as defined in [RFC7326]. 
        
    7.5. Link with the LLDP and LLDP-MED MIBs 

       The LLDP Protocol is a Data Link Layer protocol used by network 
       devices to advertise their identities, capabilities, and 
       interconnections on a LAN network.  
        
       The Media Endpoint Discovery is an enhancement of LLDP, known as 
       LLDP-MED.  The LLDP-MED enhancements specifically address voice 
       applications.  LLDP-MED covers 6 basic areas: capability 
       discovery, LAN speed and duplex discovery, network policy 
       discovery, location identification discovery, inventory 
       discovery, and power discovery.   
        
       Of particular interest to the current MIB module is the power 
       discovery, which allows the endpoint device (such as a PoE 
       phone) to convey power requirements to the switch.  In power 
       discovery, LLDP-MED has four Type Length Values (TLVs): power 
       type, power source, power priority and power value.  
       Respectively, those TLVs provide information related to the type 
     
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       of power (power sourcing entity versus powered device), how the 
       device is powered (from the line, from a backup source, from 
       external power source, etc.), the power priority (how important 
       is it that this device has power?), and how much power the 
       device needs. 
         
       The power priority specified in the LLDP-MED MIB [LLDP-MED-MIB] 
       actually comes from the Power-over-Ethernet MIB [RFC3621]. If 
       the Power-over-Ethernet MIB [RFC3621] is supported, the exact 
       value from the pethPsePortPowerPriority [RFC3621] is copied over 
       into the lldpXMedRemXPoEPDPowerPriority [LLDP-MED-MIB]; 
       otherwise the value in lldpXMedRemXPoEPDPowerPriority is 
       "unknown". From the Power, Energy Monitoring and Control MIB, it 
       is possible to identify the pethPsePortPowerPriority [RFC3621], 
       via the eoethPortIndex and eoethPortGrpIndex. 
        
       The lldpXMedLocXPoEPDPowerSource [LLDP-MED-MIB] is similar to 
       eoPowerMeasurementLocal in indicating if the power for an 
       attached device is local or from a remote device. If the LLDP-
       MED MIB is supported, the following mapping can be applied to 
       the eoPowerMeasurementLocal: lldpXMedLocXPoEPDPowerSource 
       fromPSE(2) and local(3) can be mapped to false and true, 
       respectively. 
     

    8. Structure of the MIB 

       The primary MIB object in the energyObjectMib MIB module is the 
       energyObjectMibObjects root. The eoPowerTable table of 
       energyObjectMibObjects describes the power measurement 
       attributes of an Energy Object entity. The identity of a device 
       in terms of uniquely identification of the Energy Object and its 
       relationship to other entities in the network are addressed in 
       [EMAN-AWARE-MIB].  

       Logically, this MIB module is a sparse extension of the 
       ENERGY-OBJECT-CONTEXT-MIB module [EMAN-AWARE-MIB]. Thus the 
       following requirements which are applied to [EMAN-AWARE-MIB] are 
       also applicable. As a requirement for this MIB module, [EMAN-
       AWARE-MIB] SHOULD be implemented and as Module Compliance of 
       ENTITY-MIB V4 [RFC6933] with respect to entity4CRCompliance MUST 
       be supported which requires 4 MIB objects: entPhysicalIndex, 
       entPhysicalClass, entPhysicalName and entPhysicalUUID MUST be 
       implemented.  
         
       eoMeterCapabilitiesTable is useful to enable applications to 
       determine the capabilities supported by the local management 
       agent.  This table indicates the energy monitoring MIB groups 
       that are supported by the local management system. By reading 
       the value of this object, it is possible for applications to 
       know which tables contain the information and are usable without 
     
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       walking through the table and querying every element which 
       involves a trial-and-error process. 
     
       The power measurement of an Energy Object contains information 
       describing its power usage (eoPower) and its current Power State 
       (eoPowerOperState).  In addition to power usage, additional 
       information describing the units of measurement 
       (eoPowerAccuracy, eoPowerUnitMultiplier), how power usage 
       measurement was obtained  (eoPowerMeasurementCaliber), the 
       source of power measurement (eoPowerMeasurementLocal) and the 
       type of power (eoPowerCurrentType) are described. 
        
       An Energy Object may contain an optional eoEnergyTable to 
       describe energy measurement information over time. 
        
       An Energy Object may contain an optional eoACPwrAttributesTable 
       table (specified in the POWER-ATTRIBUTES-MIB module) that 
       describes the electrical characteristics associated with the 
       current Power State and usage. 
     
       An Energy Object may also contain optional battery information 
       associated with this entity.  
     
        
    9. MIB Definitions 

        
    9.1. The IANAPowerStateSet-MIB MIB Module 

       -- ************************************************************ 
       --  
       --    
       -- This MIB, maintained by IANA, contains a single Textual 
       -- Convention: PowerStateSet  
       --    
       -- ************************************************************ 
        
       IANAPowerStateSet-MIB DEFINITIONS ::= BEGIN 
        
       IMPORTS 
           MODULE-IDENTITY, mib-2     FROM SNMPv2-SMI 
           TEXTUAL-CONVENTION         FROM SNMPv2-TC;     
     
       ianaPowerStateSet MODULE-IDENTITY 
           LAST-UPDATED    "201406070000Z"    -- 07 June 2014
           ORGANIZATION "IANA" 
           CONTACT-INFO " 
                         Internet Assigned Numbers Authority 
                         Postal: ICANN 
                         12025 Waterfront Drive Suite 300 
                         Los Angeles, CA 90094 
                         Tel: +1-310-301 5800 
     
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                         EMail: iana&iana.org" 
     
       DESCRIPTION 
               "This MIB module defines the PowerStateSet Textual 
               Convention, which specifies the Power State Sets and 
               Power State Set Values an Energy Object supports 
                
               Copyright (C) The IETF Trust (2014). 
               The initial version of this MIB module was published in 
               RFC XXXX; for full legal notices see the RFC itself. 
                
               Supplementary information may be available at 
               http://www.ietf.org/copyrights/ianamib.html" 
                
           -- revision history 
     
           REVISION "201406070000Z"     -- 07 June 2014 
           DESCRIPTION 
               "Initial version of this MIB module, as published as RFC 
               XXXX." 
                
           -- RFC Editor, please replace xxx with the IANA allocation 
           -- for this MIB module and XXXX with the number of the 
           -- approved RFC 
     
     
          ::= { mib-2 xxx } 
     

       PowerStateSet ::= TEXTUAL-CONVENTION               
           STATUS current  
           DESCRIPTION  
               "IANAPowerState is a textual convention that describes 
               Power State Sets and Power State Set Values an Energy 
               Object supports. IANA has created a registry of Power 
               State supported by an Energy Object and IANA shall 
               administer the list of Power State Sets and Power 
               States. 
                
               The textual convention assumes that Power States in a 
               power state set are limited to 255 distinct values. For 
               a Power State Set S, the named number with the value S * 
               256 is allocated to indicate the Power State set. For a 
               Power State X in the Power State S, the named number 
               with the value S * 256 + X + 1 is allocated to represent 
               the Power State. 
                
               Requests for new values should be made to IANA via email 
               (iana&iana.org)." 
                        
     
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           REFERENCE  
              "http://www.iana.org/assignments/power-state-sets"               

           SYNTAX      INTEGER { 
               other(0),        -- indicates other set 
               unknown(255),    -- unknown  
                
               ieee1621(256),    -- indicates IEEE1621 set 
               ieee1621Off(257), 
               ieee1621Sleep(258), 
               ieee1621On(259), 
                
               dmtf(512),        -- indicates DMTF set 
               dmtfOn(513), 
               dmtfSleepLight(514), 
               dmtfSleepDeep(515), 
               dmtfOffHard(516), 
               dmtfOffSoft(517), 
               dmtfHibernate(518), 
               dmtfPowerOffSoft(519), 
               dmtfPowerOffHard(520), 
               dmtfMasterBusReset(521), 
               dmtfDiagnosticInterrapt(522), 
               dmtfOffSoftGraceful(523), 
               dmtfOffHardGraceful(524), 
               dmtfMasterBusResetGraceful(525), 
               dmtfPowerCycleOffSoftGraceful(526), 
               dmtfPowerCycleHardGraceful(527), 
                
               eman(1024),       -- indicates EMAN set 
               emanmechoff(1025), 
               emansoftoff(1026),  
               emanhibernate(1027),     
               emansleep(1028), 
               emanstandby(1029), 
               emanready(1030),    
               emanlowMinus(1031), 
                                   
               emanlow(1032), 
               emanmediumMinus(1033), 
               emanmedium(1034),   
               emanhighMinus(1035),     
               emanhigh(1036) 
                                              
                    } 
          END 

        
    9.2. The ENERGY-OBJECT-MIB MIB Module 

        
       -- ************************************************************ 
       --  
     
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       --    
       -- This MIB is used to monitor power usage of network 
       -- devices 
       --    
       -- ************************************************************* 
        
       ENERGY-OBJECT-MIB DEFINITIONS ::= BEGIN 
        
       IMPORTS 
           MODULE-IDENTITY, 
           OBJECT-TYPE, 
           NOTIFICATION-TYPE, 
           mib-2, 
           Integer32, Counter32, Unsigned32, TimeTicks    
               FROM SNMPv2-SMI 
           TEXTUAL-CONVENTION, RowStatus, TimeInterval, 
           TimeStamp, TruthValue, StorageType         
               FROM SNMPv2-TC     
           MODULE-COMPLIANCE, NOTIFICATION-GROUP, OBJECT-GROUP 
               FROM SNMPv2-CONF 
           OwnerString 
             FROM RMON-MIB 
           entPhysicalIndex 
              FROM ENTITY-MIB 
           PowerStateSet 
              FROM IANAPowerStateSet-MIB;    
     
       energyObjectMib MODULE-IDENTITY 
           LAST-UPDATED    "201406070000Z"     -- 07 June 2014 
     
           ORGANIZATION    "IETF EMAN Working Group" 
           CONTACT-INFO 
                   "WG charter: 
                   http://datatracker.ietf.org/wg/eman/charter/ 
        
                 Mailing Lists: 
                    General Discussion: eman@ietf.org 

                    To Subscribe:  
                    https://www.ietf.org/mailman/listinfo/eman 

                    Archive:  
                    http://www.ietf.org/mail-archive/web/eman 

                 Editors: 
                    Mouli Chandramouli 
                    Cisco Systems, Inc. 
                    Sarjapur Outer Ring Road 
                    Bangalore 560103 
                    IN 

     
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                    Phone: +91 80 4429 2409  
                    Email: moulchan@cisco.com 

                    Brad Schoening 
                    44 Rivers Edge Drive 
                    Little Silver, NJ 07739 
                    US 
                    Email: brad.schoening@verizon.net 

                    Juergen Quittek 
                    NEC Europe Ltd. 
                    NEC Laboratories Europe 
                    Network Research Division 
                    Kurfuersten-Anlage 36 
                    Heidelberg  69115 
                    DE 
                    Phone: +49 6221 4342-115 
                    Email: quittek@neclab.eu 

                    Thomas Dietz 
                    NEC Europe Ltd. 
                    NEC Laboratories Europe 
                    Network Research Division 
                    Kurfuersten-Anlage 36 
                    69115 Heidelberg 
                    DE 
                    Phone: +49 6221 4342-128 
                    Email: Thomas.Dietz@nw.neclab.eu 

                    Benoit Claise 
                    Cisco Systems, Inc. 
                    De Kleetlaan 6a b1 
                    Degem 1831 
                    Belgium 
                    Phone:  +32 2 704 5622 
                    Email: bclaise@cisco.com" 

           DESCRIPTION 
            "This MIB is used to monitor power and energy in  
               devices.  
        
               The tables eoMeterCapabilitiesTable and eoPowerTable  
               are a sparse extension of the eoTable from the  
               ENERGY-OBJECT-CONTEXT-MIB. As a requirement  
               [EMAN-AWARE-MIB] SHOULD be implemented. 
                 
               Module Compliance of ENTITY-MIB v4 with respect to 
               entity4CRCompliance MUST be supported which requires  
               implementation of 4 MIB objects: entPhysicalIndex,  
               entPhysicalClass, entPhysicalName and entPhysicalUUID." 
     
     
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           REVISION "201406070000Z"     -- 07 June 2014 
           DESCRIPTION 
              "Initial version, published as RFC XXXX." 
             
            -- RFC Editor, please replace yyy with the IANA allocation 
            -- for this MIB module and XXXX with the number of the 
            -- approved RFC 
        
          ::= { mib-2 yyy } 
     
       energyObjectMibNotifs OBJECT IDENTIFIER 
           ::= { energyObjectMib 0 } 
        
       energyObjectMibObjects OBJECT IDENTIFIER 
           ::= { energyObjectMib 1 } 
     
       energyObjectMibConform  OBJECT IDENTIFIER 
           ::= { energyObjectMib 2 } 
        
                                   
       -- Textual Conventions 
                
        
       UnitMultiplier ::= TEXTUAL-CONVENTION 
           STATUS           current 
           DESCRIPTION  
              "The Unit Multiplier is an integer value that represents 
              the IEEE 61850 Annex A units multiplier associated with 
              the integer units used to measure the power or energy. 
                
              For example, when used with eoPowerUnitMultiplier, -3 
              represents 10^-3 or milliwatts." 
           REFERENCE 
              "The International System of Units (SI), National 
              Institute of Standards and Technology, Spec. Publ. 330, 
              August 1991." 
           SYNTAX INTEGER { 
               yocto(-24),   -- 10^-24 
               zepto(-21),   -- 10^-21 
               atto(-18),    -- 10^-18 
               femto(-15),   -- 10^-15 
               pico(-12),    -- 10^-12 
               nano(-9),     -- 10^-9 
               micro(-6),    -- 10^-6 
               milli(-3),    -- 10^-3 
               units(0),     -- 10^0 
               kilo(3),      -- 10^3 
               mega(6),      -- 10^6 
               giga(9),      -- 10^9 
               tera(12),     -- 10^12 
               peta(15),     -- 10^15 
     
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               exa(18),      -- 10^18 
               zetta(21),    -- 10^21 
               yotta(24)     -- 10^24 
           } 
         
       -- Objects 
     
       eoMeterCapabilitiesTable OBJECT-TYPE 
           SYNTAX          SEQUENCE OF EoMeterCapabilitiesEntry  
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This table is useful for helping applications determine 
              the monitoring capabilities supported by the local 
              management agents. It is possible for applications to 
              know which tables are usable without going through a 
              trial-and-error process." 
           ::= { energyObjectMibObjects 1 } 
     
       eoMeterCapabilitiesEntry OBJECT-TYPE 
           SYNTAX          EoMeterCapabilitiesEntry 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "An entry describes the metering capability of an Energy 
              Object." 
           INDEX { entPhysicalIndex }     
           ::= { eoMeterCapabilitiesTable  1 } 
           
       EoMeterCapabilitiesEntry ::= SEQUENCE { 
                 eoMeterCapability          BITS 
                      } 
        
       eoMeterCapability OBJECT-TYPE 
           SYNTAX   BITS { 
              none(0),  
              powermetering(1),        -- power measurement  
              energymetering(2),       -- energy measurement 
              powerattributes(3)       -- power attributes     
                          } 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION  
              "An indication of the energy monitoring capabilities 
              supported by this agent. This object use a BITS syntax 
              and indicates the MIB groups supported by the probe. By 
              reading the value of this object, it is possible to 
              determine the MIB tables supported. " 
           ::= { eoMeterCapabilitiesEntry 1  } 
     
       eoPowerTable OBJECT-TYPE 
     
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           SYNTAX          SEQUENCE OF EoPowerEntry  
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This table lists Energy Objects." 
           ::= { energyObjectMibObjects 2  } 
     
       eoPowerEntry OBJECT-TYPE 
           SYNTAX          EoPowerEntry 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "An entry describes the power usage of an Energy Object." 
           INDEX { entPhysicalIndex }     
           ::= { eoPowerTable  1 } 
     
       EoPowerEntry ::= SEQUENCE {         
           eoPower                         Integer32, 
           eoPowerNameplate                Unsigned32, 
           eoPowerUnitMultiplier           UnitMultiplier, 
           eoPowerAccuracy                 Integer32,                   
           eoPowerMeasurementCaliber       INTEGER, 
           eoPowerCurrentType             INTEGER, 
           eoPowerMeasurementLocal         TruthValue, 
           eoPowerAdminState               PowerStateSet,  
           eoPowerOperState                PowerStateSet,  
           eoPowerStateEnterReason         OwnerString 
         } 
        
       eoPower OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS          "watts" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the power measured for the Energy 
              Object. For alternating current, this value is obtained 
              as an average over fixed number of AC cycles.  This value 
              is specified in SI units of watts with the magnitude of 
              watts (milliwatts, kilowatts, etc.) indicated separately 
              in eoPowerUnitMultiplier. The accuracy of the measurement 
              is specified in eoPowerAccuracy. The direction of power 
              flow is indicated by the sign on eoPower. If the Energy 
              Object is consuming power, the eoPower value will be 
              positive. If the Energy Object is producing power, the 
              eoPower value will be negative.   
          
              The eoPower MUST be less than or equal to the maximum 
              power that can be consumed at the power state specified 
              by eoPowerState. 
          
     
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              The eoPowerMeasurementCaliber object specifies how the 
              usage value reported by eoPower was obtained. The eoPower 
              value must report 0 if the eoPowerMeasurementCaliber is 
              'unavailable'.  For devices that can not measure or 
              report power, this option can be used."  
           ::= { eoPowerEntry 1 } 
        
       eoPowerNameplate OBJECT-TYPE 
           SYNTAX          Unsigned32 
           UNITS          "watts" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the rated maximum consumption for 
              the fully populated Energy Object.  The nameplate power 
              requirements are the maximum power numbers given in SI 
              Watts and, in almost all cases, are well above the 
              expected operational consumption.  Nameplate power is 
              widely used for power provisioning.  This value is 
              specified in either units of watts or voltage and 
              current.  The units are therefore SI watts or equivalent 
              Volt-Amperes with the magnitude (milliwatts, kilowatts, 
              etc.) indicated separately in eoPowerUnitMultiplier."  
           ::= { eoPowerEntry 2 } 
        
       eoPowerUnitMultiplier OBJECT-TYPE 
           SYNTAX          UnitMultiplier 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "The magnitude of watts for the usage value in eoPower 
              and eoPowerNameplate."  
           ::= { eoPowerEntry 3 } 
        
       eoPowerAccuracy OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates a percentage value, in 100ths of a 
              percent, representing the assumed accuracy of the usage 
              reported by eoPower. For example: The value 1010 means 
              the reported usage is accurate to +/- 10.1 percent.  This 
              value is zero if the accuracy is unknown or not 
              applicable based upon the measurement method. 
               
              ANSI and IEC define the following accuracy classes for 
              power measurement: 
                   IEC 62053-22  60044-1 class 0.1, 0.2, 0.5, 1  3. 
                   ANSI C12.20 class 0.2, 0.5" 
     
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           ::= { eoPowerEntry 4 } 
        
       eoPowerMeasurementCaliber   OBJECT-TYPE 
           SYNTAX          INTEGER  { 
                               unavailable(1) ,          
                               unknown(2),  
                               actual(3) , 
                               estimated(4),   
                               static(5)                    } 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object specifies how the usage value reported by 
              eoPower was obtained: 
               
              - unavailable(1): Indicates that the usage is not 
              available. In such a case, the eoPower value must be 0 
              for devices that can not measure or report power this 
              option can be used. 
               
              - unknown(2): Indicates that the way the usage was 
              determined is unknown. In some cases, entities report 
              aggregate power on behalf of another device. In such 
              cases it is not known whether the usage reported is 
              actual, estimated or static. 
                
              - actual(3):  Indicates that the reported usage was 
              measured by the entity through some hardware or direct 
              physical means. The usage data reported is not estimated 
              or static but is the measured consumption rate. 

              - estimated(4): Indicates that the usage was not 
              determined by physical measurement. The value is a 
              derivation based upon the device type, state, and/or 
              current utilization using some algorithm or heuristic. It 
              is presumed that the entity's state and current 
              configuration were used to compute the value. 
               
              - static(5): Indicates that the usage was not determined 
              by physical measurement, algorithm or derivation. The 
              usage was reported based upon external tables, 
              specifications, and/or model information.  For example, a 
              PC Model X draws 200W, while a PC Model Y draws 210W." 
           ::= { eoPowerEntry 5 } 
     
       eoPowerCurrentType OBJECT-TYPE 
           SYNTAX      INTEGER  { 
                              ac(1), 
                              dc(2), 
                              unknown(3) 
                          } 
     
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           MAX-ACCESS  read-only 
           STATUS      current 
           DESCRIPTION 
              "This object indicates whether the eoPower for the  
              Energy Object reports alternating current 'ac', direct 
              current 'dc', or that the current type is unknown."  
           ::= { eoPowerEntry 6 } 
     
       eoPowerMeasurementLocal  OBJECT-TYPE 
           SYNTAX          TruthValue 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the source of power measurement 
              and can be useful when modeling the power usage of 
              attached devices. The power measurement can be performed 
              by the entity itself or the power measurement of the 
              entity can be reported by another trusted entity using a 
              protocol extension.  A value of true indicates the 
              measurement is performed by the entity, whereas false 
              indicates that the measurement was performed by another 
              entity."  
           ::= { eoPowerEntry 7 } 
        
       eoPowerAdminState OBJECT-TYPE 
           SYNTAX          PowerStateSet  
           MAX-ACCESS      read-write 
           STATUS          current 
           DESCRIPTION 
              "This object specifies the desired Power State and the 
              Power State Set for the Energy Object. Note that other(0) 
              is not a Power State Set and unknown(255) is not a Power 
              State as such, but simply an indication that the Power 
              State of the Energy Object is unknown. 
              Possible values of eoPowerAdminState within the Power 
              State Set are registered at IANA.   
              A current list of assignments can be found at 
              http://www.iana.org/assignments/power-state-sets" 
           ::= { eoPowerEntry 8 } 
         
       eoPowerOperState OBJECT-TYPE 
           SYNTAX          PowerStateSet  
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object specifies the current operational Power 
              State and the Power State Set for the Energy Object. 
              other(0) is not a Power State Set and unknown(255) is not 
              a Power State as such, but simply an indication that the 
              Power State of the Energy Object is unknown. 
               
     
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              Possible values of eoPowerOperState within the Power 
              State Set are registered at IANA.  A current list of 
              assignments can be found at < 
              http://www.iana.org/assignments/power-state-sets>" 
           ::= { eoPowerEntry 9 } 
     
       eoPowerStateEnterReason OBJECT-TYPE 
            SYNTAX         OwnerString 
            MAX-ACCESS     read-write 
            STATUS         current 
            DESCRIPTION 
              "This string object describes the reason for the 
              eoPowerAdminState transition. Alternatively, this string 
              may contain with the entity that configured this Energy 
              Object to this Power State."  
            DEFVAL { "" } 
            ::= { eoPowerEntry 10 } 
     
     
       eoPowerStateTable OBJECT-TYPE 
           SYNTAX          SEQUENCE OF EoPowerStateEntry  
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This table enumerates the maximum power usage, in watts, 
              for every single supported Power State of each Energy 
              Object. 
               
              This table has cross-reference with the eoPowerTable, 
              containing rows describing each Power State for the 
              corresponding Energy Object. For every Energy Object in 
              the eoPowerTable, there is a corresponding entry in this 
              table." 
           ::= { energyObjectMibObjects 3  } 
     
       eoPowerStateEntry OBJECT-TYPE 
           SYNTAX          EoPowerStateEntry 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "A eoPowerStateEntry extends a corresponding 
              eoPowerEntry.  This entry displays max usage values at 
              every single possible Power State supported by the Energy 
              Object.  
              For example, given the values of a Energy Object  
              corresponding to a maximum usage of 0 W at the  
              state emanmechoff, 8 W at state 6 (ready), 11 W at state 
              emanmediumMinus,and 11 W at state emanhigh: 
               
                      State      MaxUsage Units 
                   emanmechoff       0       W            
     
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                    emansoftoff       0       W            
                    emanhibernate     0       W            
                    emansleep         0       W            
                   emanstandby       0       W            
                   emanready         8       W           
                   emanlowMinus      8       W           
                   emanlow          11       W   
                    emanmediumMinus  11       W 
                    emanmedium       11       W    
                    emanhighMinus    11       W 
                   emnanhigh        11       W                 
               
              Furthermore, this table also includes the total time in 
              each Power State, along with the number of times a 
              particular Power State was entered." 
               
           INDEX { entPhysicalIndex, eoPowerStateIndex }  
           ::= { eoPowerStateTable 1 } 
        
       EoPowerStateEntry ::= SEQUENCE { 
           eoPowerStateIndex              PowerStateSet,  
           eoPowerStateMaxPower           INTEGER, 
           eoPowerStatePowerUnitMultiplier  UnitMultiplier,        
           eoPowerStateTotalTime            TimeTicks, 
           eoPowerStateEnterCount            Counter32 
       } 
        
       eoPowerStateIndex OBJECT-TYPE     
           SYNTAX          PowerStateSet      
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This object specifies the index of the Power State of 
              the Energy Object within a Power State Set. The semantics 
              of the specific Power State can be obtained from the 
              Power State Set definition." 
           ::= { eoPowerStateEntry 1 } 
     
       eoPowerStateMaxPower OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS          "watts" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the maximum power for the Energy 
              Object at the particular Power State. This value is 
              specified in SI units of watts with the magnitude of the 
              units (milliwatts, kilowatts, etc.) indicated separately 
              in eoPowerStatePowerUnitMultiplier. If the maximum power 
              is not known for a certain Power State, then the value is 
              encoded as 0xFFFFFFFF. 
     
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              For Power States not enumerated, the value of 
              eoPowerStateMaxPower might be interpolated by using the 
              next highest supported Power State."  
           ::= { eoPowerStateEntry 2  } 
        
       eoPowerStatePowerUnitMultiplier OBJECT-TYPE 
           SYNTAX          UnitMultiplier  
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "The magnitude of watts for the usage value in 
              eoPowerStateMaxPower."  
           ::= { eoPowerStateEntry 3  } 
        
       eoPowerStateTotalTime OBJECT-TYPE 
           SYNTAX      TimeTicks 
           MAX-ACCESS  read-only 
           STATUS      current 
           DESCRIPTION 
              "This object indicates the total time in hundredths 
              of second that the Energy Object has been in this power 
              state since the last reset, as specified in the 
              sysUpTime." 
           ::= { eoPowerStateEntry 4  } 
        
       eoPowerStateEnterCount OBJECT-TYPE 
           SYNTAX       Counter32 
           MAX-ACCESS   read-only 
           STATUS       current 
           DESCRIPTION 
              "This object indicates how often the Energy Object has 
              entered this power state, since the last reset of the 
              device as specified in the sysUpTime." 
           ::= { eoPowerStateEntry 5   } 
     
       eoEnergyParametersTable OBJECT-TYPE 
           SYNTAX          SEQUENCE OF EoEnergyParametersEntry 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This table is used to configure the parameters for 
              Energy measurement collection in the table eoEnergyTable. 
              This table allows the configuration of different 
              measurement settings on the same Energy Object. 
              Implementation of this table only makes sense for Energy 
              Objects that an eoPowerMeasurementCaliber of actual." 
           ::= { energyObjectMibObjects 4   } 
        
       eoEnergyParametersEntry OBJECT-TYPE 
           SYNTAX          EoEnergyParametersEntry 
     
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           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "An entry controls an energy measurement in 
              eoEnergyTable." 
           INDEX { entPhysicalIndex, eoEnergyParametersIndex }  
           ::= { eoEnergyParametersTable 1 } 
        
       EoEnergyParametersEntry ::= SEQUENCE { 
           eoEnergyParametersIndex            Integer32, 
           eoEnergyParametersIntervalLength   TimeInterval, 
           eoEnergyParametersIntervalNumber   Unsigned32, 
           eoEnergyParametersIntervalMode     INTEGER, 
           eoEnergyParametersIntervalWindow   TimeInterval, 
           eoEnergyParametersSampleRate       Unsigned32, 
           eoEnergyParametersStorageType      StorageType, 
           eoEnergyParametersStatus           RowStatus 
                                    } 
        
       eoEnergyParametersIndex OBJECT-TYPE     
           SYNTAX           Integer32 (1..2147483647)    
           MAX-ACCESS       not-accessible 
           STATUS           current 
           DESCRIPTION 
              "This object specifies the index of the Energy Parameters 
              setting for collection of energy measurements for an 
              Energy Object. An Energy Object can have multiple 
              eoEnergyParametersIndex, depending on the capabilities of 
              the Energy Object" 
           ::= { eoEnergyParametersEntry 2 } 
        
       eoEnergyParametersIntervalLength OBJECT-TYPE 
           SYNTAX          TimeInterval 
           MAX-ACCESS      read-create 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the length of time in hundredths 
              of seconds over which to compute the average 
              eoEnergyConsumed measurement in the eoEnergyTable table. 
              The computation is based on the Energy Object's internal 
              sampling rate of power consumed or produced by the Energy 
              Object. The sampling rate is the rate at which the Energy 
              Object can read the power usage and may differ based on 
              device capabilities. The average energy consumption is 
              then computed over the length of the interval.  The 
              default value of 15 minutes is a common interval used in 
              industry."  
           DEFVAL { 90000 } 
           ::= { eoEnergyParametersEntry 3 } 
        

     
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       eoEnergyParametersIntervalNumber OBJECT-TYPE 
           SYNTAX          Unsigned32 
           MAX-ACCESS      read-create 
           STATUS          current 
           DESCRIPTION               
              "The number of intervals maintained in the eoEnergyTable. 
              Each interval is characterized by a specific 
              eoEnergyCollectionStartTime, used as an index to the 
              table eoEnergyTable. Whenever the maximum number of 
              entries is reached, the measurement over the new interval 
              replaces the oldest measurement. There is one exception 
              to this rule: when the eoEnergyMaxConsumed and/or 
              eoEnergyMaxProduced are in (one of) the two oldest 
              measurement(s), they are left untouched and the next 
              oldest measurement is replaced."         
              DEFVAL { 10 }  
           ::= { eoEnergyParametersEntry 4 } 
        
       eoEnergyParametersIntervalMode OBJECT-TYPE 
         SYNTAX          INTEGER  { 
                             period(1), 
                             sliding(2), 
                             total(3) 
                         } 
         MAX-ACCESS      read-create 
         STATUS          current 
         DESCRIPTION 
              "A control object to define the mode of interval 
              calculation for the computation of the average 
              eoEnergyConsumed or eoEnergyProvided measurement in the 
              eoEnergyTable table.    
              
              A mode of period(1) specifies non-overlapping periodic 
              measurements. 
               
              A mode of sliding(2) specifies overlapping sliding 
              windows where the interval between the start of one 
              interval and the next is defined in 
              eoEnergyParametersIntervalWindow. 
               
              A mode of total(3) specifies non-periodic measurement.  
              In this mode only one interval is used as this is a 
              continuous measurement since the last reset. The value of 
              eoEnergyParametersIntervalNumber should be (1) one and 
              eoEnergyParametersIntervalLength is ignored."  
          ::= { eoEnergyParametersEntry 5 } 
        
       eoEnergyParametersIntervalWindow OBJECT-TYPE 
           SYNTAX          TimeInterval 
           MAX-ACCESS      read-create 
           STATUS          current 
     
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           DESCRIPTION 
              "The length of the duration window between the starting 
              time of one sliding window and the next starting time in 
              hundredths of seconds, in order to compute the average of 
              eoEnergyConsumed, eoEnergyProvided measurements in the 
              eoEnergyTable table. This is valid only when the 
              eoEnergyParametersIntervalMode is sliding(2). The 
              eoEnergyParametersIntervalWindow value should be a 
              multiple of eoEnergyParametersSampleRate." 
           ::= { eoEnergyParametersEntry 6 } 
        
       eoEnergyParametersSampleRate OBJECT-TYPE 
           SYNTAX          Unsigned32 
          UNITS           "Milliseconds" 
           MAX-ACCESS      read-create 
           STATUS          current 
           DESCRIPTION 
              "The sampling rate, in milliseconds, at which the Energy 
              Object should poll power usage in order to compute the 
              average eoEnergyConsumed, eoEnergyProvided measurements 
              in the table eoEnergyTable.  The Energy Object should 
              initially set this sampling rate to a reasonable value, 
              i.e., a compromise between intervals that will provide 
              good accuracy by not being too long, but not so short 
              that they affect the Energy Object performance by 
              requesting continuous polling. If the sampling rate is 
              unknown, the value 0 is reported. The sampling rate 
              should be selected so that 
              eoEnergyParametersIntervalWindow is a multiple of 
              eoEnergyParametersSampleRate.  The default value is one 
              second." 
           DEFVAL { 1000 }  
           ::= { eoEnergyParametersEntry 7 } 
     
       eoEnergyParametersStorageType OBJECT-TYPE 
           SYNTAX          StorageType 
           MAX-ACCESS      read-create 
           STATUS          current 
           DESCRIPTION 
               "This variable indicates the storage type for this row." 
           DEFVAL { nonVolatile } 
           ::= {eoEnergyParametersEntry 8 } 
        
       eoEnergyParametersStatus OBJECT-TYPE 
           SYNTAX          RowStatus 
           MAX-ACCESS      read-create 
           STATUS          current 
           DESCRIPTION 
              "The status of this row. The eoEnergyParametersStatus is 
              used to start or stop energy usage logging. An entry 
     
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              status may not be active(1) unless all objects in the 
              entry have an appropriate value.  If this object is not 
              equal to active, all associated usage-data logged into 
              the eoEnergyTable will be deleted. The data can be 
              destroyed by setting up the eoEnergyParametersStatus to 
              destroy." 
           ::= {eoEnergyParametersEntry 9 } 
     
       eoEnergyTable OBJECT-TYPE 
           SYNTAX          SEQUENCE OF EoEnergyEntry  
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This table lists Energy Object energy measurements.  
              Entries in this table are only created if the 
              corresponding value of object eoPowerMeasurementCaliber 
              is active(3), i.e., if the power is actually metered." 
           ::= { energyObjectMibObjects 5   } 
        
       eoEnergyEntry OBJECT-TYPE 
           SYNTAX          EoEnergyEntry 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
               "An entry describing energy measurements." 
           INDEX { eoEnergyParametersIndex,               
                   eoEnergyCollectionStartTime } 
           ::= { eoEnergyTable 1 } 

       EoEnergyEntry ::= SEQUENCE { 
           eoEnergyCollectionStartTime       TimeTicks, 
            eoEnergyConsumed                  Unsigned32,   
            eoEnergyProvided                  Unsigned32,  
            eoEnergyStored                    Unsigned32, 
            eoEnergyUnitMultiplier            UnitMultiplier, 
            eoEnergyAccuracy                  Integer32, 
            eoEnergyMaxConsumed               Unsigned32, 
            eoEnergyMaxProduced               Unsigned32, 
            eoEnergyDiscontinuityTime         TimeStamp  
            } 
        
       eoEnergyCollectionStartTime OBJECT-TYPE 
           SYNTAX          TimeTicks 
           UNITS          "hundredths of seconds" 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "The time (in hundredths of a second) since the 
              network management portion of the system was last 
     
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              re-initialized, as specified in the sysUpTime [RFC3418]. 
              This object specifies the start time of the energy 
              measurement sample. "  
           ::= { eoEnergyEntry 1 } 
     
       eoEnergyConsumed OBJECT-TYPE 
           SYNTAX          Unsigned32 
           UNITS           "Watt-hours" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the energy consumed in units of 
              watt-hours for the Energy Object over the defined 
              interval. This value is specified in the common billing 
              units of watt-hours with the magnitude of watt-hours (kW-
              Hr, MW-Hr, etc.) indicated separately in 
              eoEnergyUnitMultiplier."  
           ::= { eoEnergyEntry 2 } 
        
       eoEnergyProvided OBJECT-TYPE 
           SYNTAX          Unsigned32 
           UNITS           "Watt-hours" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the energy produced in units of 
              watt-hours for the Energy Object over the defined 
              interval.  
               
              This value is specified in the common billing units of 
              watt-hours with the magnitude of watt-hours (kW-Hr, MW-
              Hr, etc.) indicated separately in 
              eoEnergyUnitMultiplier."  
           ::= { eoEnergyEntry 3 } 
        
       eoEnergyStored OBJECT-TYPE 
           SYNTAX          Unsigned32 
           UNITS           "Watt-hours" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates the difference of the energy 
              consumed and energy produced for an Energy Object in 
              units of watt-hours for the Energy Object over the 
              defined interval. This value is specified in the common 
              billing units of watt-hours with the magnitude of watt-
              hours (kW-Hr, MW-Hr, etc.) indicated separately in 
              eoEnergyUnitMultiplier."  
           ::= { eoEnergyEntry 4 } 
        
       eoEnergyUnitMultiplier OBJECT-TYPE 
     
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           SYNTAX          UnitMultiplier 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object is the magnitude of watt-hours for the 
              energy field in eoEnergyConsumed, eoEnergyProvided, 
              eoEnergyStored, eoEnergyMaxConsumed, and 
              eoEnergyMaxProduced."  
           ::= { eoEnergyEntry 5  } 
     
       eoEnergyAccuracy OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object indicates a percentage accuracy, in 100ths 
              of a percent, of Energy usage reporting. eoEnergyAccuracy 
              is applicable to all Energy measurements in the 
              eoEnergyTable. 
               
              For example: 1010 means the reported usage is accurate to 
              +/- 10.1 percent. 
               
              This value is zero if the accuracy is unknown." 
           ::= { eoEnergyEntry 6 } 
        
       eoEnergyMaxConsumed OBJECT-TYPE 
           SYNTAX          Unsigned32 
           UNITS          "Watt-hours" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object is the maximum energy observed in 
              eoEnergyConsumed since the monitoring started or was 
              reinitialized. This value is specified in the common 
              billing units of watt-hours with the magnitude of watt-
              hours (kW-Hr,   MW-Hr, etc.) indicated separately in 
              eoEnergyUnitMultiplier."  
           ::= { eoEnergyEntry 7  } 
     
       eoEnergyMaxProduced OBJECT-TYPE 
           SYNTAX          Unsigned32 
           UNITS          "Watt-hours" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "This object is the maximum energy ever observed in 
              eoEnergyEnergyProduced since the monitoring started. This 
              value is specified in the units of watt-hours with the 

     
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              magnitude of watt-hours (kW-Hr,   MW-Hr, etc.) indicated 
              separately in eoEnergyEnergyUnitMultiplier."  
           ::= { eoEnergyEntry 8 } 
     
        eoEnergyDiscontinuityTime OBJECT-TYPE 
           SYNTAX       TimeStamp 
           MAX-ACCESS  read-only 
           STATUS      current 
           DESCRIPTION 
              "The value of sysUpTime [RFC3418] on the most recent 
              occasion at which any one or more of this entity's energy 
              counters in this table suffered a discontinuity:  
              eoEnergyConsumed, eoEnergyProvided or eoEnergyStored. If 
              no such discontinuities have occurred since the last re-
              initialization of the local management subsystem, then 
              this object contains a zero value." 
           ::= { eoEnergyEntry 9 } 
        
       -- Notifications 
     
       eoPowerEnableStatusNotification  
       OBJECT-TYPE 
           SYNTAX          TruthValue 
           MAX-ACCESS      read-write 
           STATUS          current 
           DESCRIPTION         
              "This object controls whether the system produces 
              notifications for eoPowerStateChange. A false value will 
              prevent these notifications from being generated." 
           DEFVAL { false }  
           ::= { energyObjectMibNotifs 1 } 
     
       eoPowerStateChange NOTIFICATION-TYPE 
           OBJECTS       {eoPowerAdminState, eoPowerOperState, 
       eoPowerStateEnterReason} 
           STATUS        current 
           DESCRIPTION 
              "The SNMP entity generates the eoPowerStateChange when 
              the values of eoPowerAdminState or eoPowerOperState,  
              in the context of the Power State Set, have changed for 
              the Energy Object represented by the entPhysicalIndex." 
           ::= { energyObjectMibNotifs 2 } 
        
       -- Conformance 
        
       energyObjectMibCompliances  OBJECT IDENTIFIER 
           ::= { energyObjectMibConform 1 } 
        
       energyObjectMibGroups  OBJECT IDENTIFIER 
           ::= { energyObjectMibConform 2 } 
     
     
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       energyObjectMibFullCompliance MODULE-COMPLIANCE 
           STATUS          current 
           DESCRIPTION 
              "When this MIB is implemented with support for 
              read-create, then such an implementation can  
              claim full compliance. Such devices can then  
              be both monitored and configured with this MIB. 
               
              Module Compliance of [RFC6933] 
              with respect to entity4CRCompliance MUST  
              be supported which requires implementation  
              of 4 MIB objects: entPhysicalIndex, entPhysicalClass, 
              entPhysicalName and entPhysicalUUID." 
           MODULE          -- this module 
           MANDATORY-GROUPS { 
                       energyObjectMibTableGroup, 
                       energyObjectMibStateTableGroup, 
                       eoPowerEnableStatusNotificationGroup, 
                       energyObjectMibNotifGroup 
                           } 
        
           GROUP     energyObjectMibEnergyTableGroup  
              DESCRIPTION "A compliant implementation does not  
              have to implement." 
        
           GROUP    energyObjectMibEnergyParametersTableGroup 
              DESCRIPTION "A compliant implementation does not  
              have to implement." 
         
           GROUP     energyObjectMibMeterCapabilitiesTableGroup  
              DESCRIPTION "A compliant implementation does not  
              have to implement." 
           ::= { energyObjectMibCompliances 1 } 
        
       energyObjectMibReadOnlyCompliance MODULE-COMPLIANCE 
           STATUS          current 
           DESCRIPTION 
              "When this MIB is implemented without support for 
              read-create (i.e., in read-only mode), then such an  
              implementation can claim read-only compliance.  Such a  
              device can then be monitored but cannot be  
              configured with this MIB.  
               
              Module Compliance of [RFC6933] with respect to 
              entity4CRCompliance MUST be supported which requires 
              implementation of 4 MIB objects: entPhysicalIndex, 
              entPhysicalClass, entPhysicalName and entPhysicalUUID." 
           MODULE          -- this module 
           MANDATORY-GROUPS { 
                               energyObjectMibTableGroup, 
                               energyObjectMibStateTableGroup,   
     
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                               energyObjectMibNotifGroup 
                             } 
        
           OBJECT          eoPowerOperState 
           MIN-ACCESS      read-only 
           DESCRIPTION 
               "Write access is not required."  
           ::= { energyObjectMibCompliances 2 } 
        
       -- Units of Conformance 
        
       energyObjectMibTableGroup OBJECT-GROUP 
          OBJECTS         { 
                               eoPower, 
                               eoPowerNameplate, 
                               eoPowerUnitMultiplier, 
                               eoPowerAccuracy,                         
                               eoPowerMeasurementCaliber, 
                               eoPowerCurrentType, 
                               eoPowerMeasurementLocal, 
                               eoPowerAdminState, 
                               eoPowerOperState,  
                               eoPowerStateEnterReason  
                           }               
          STATUS          current 
          DESCRIPTION 
              "This group contains the collection of all the objects 
              related to the Energy Object." 
          ::= { energyObjectMibGroups 1 } 
        
       energyObjectMibStateTableGroup OBJECT-GROUP 
           OBJECTS      { 
                                eoPowerStateMaxPower, 
                                eoPowerStatePowerUnitMultiplier, 
                                eoPowerStateTotalTime,                        
                                eoPowerStateEnterCount            
                           } 
           STATUS          current 
           DESCRIPTION 
              "This group contains the collection of all the objects 
              related to the Power State." 
           ::= { energyObjectMibGroups 2 } 
     
       energyObjectMibEnergyParametersTableGroup OBJECT-GROUP 
           OBJECTS         {                   
                               eoEnergyParametersIntervalLength, 
                               eoEnergyParametersIntervalNumber, 
                               eoEnergyParametersIntervalMode, 
                               eoEnergyParametersIntervalWindow, 
                               eoEnergyParametersSampleRate, 
     
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                               eoEnergyParametersStorageType, 
                               eoEnergyParametersStatus 
                           }     
           STATUS          current 
           DESCRIPTION 
               "This group contains the collection of all the objects 
               related to the configuration of the Energy Table." 
           ::= { energyObjectMibGroups 3 } 
     
       energyObjectMibEnergyTableGroup OBJECT-GROUP 
           OBJECTS         { 
                            -- Note that object  
                          -- eoEnergyCollectionStartTime is not 
                               -- included since it is not-accessible 
        
                               eoEnergyConsumed, 
                               eoEnergyProvided, 
                               eoEnergyStored,  
                               eoEnergyUnitMultiplier, 
                               eoEnergyAccuracy,  
                               eoEnergyMaxConsumed, 
                               eoEnergyMaxProduced, 
                               eoEnergyDiscontinuityTime   
                           }     
           STATUS          current 
           DESCRIPTION 
               "This group contains the collection of all the objects 
               related to the Energy Table." 
           ::= { energyObjectMibGroups 4 } 
     
       energyObjectMibMeterCapabilitiesTableGroup OBJECT-GROUP 
           OBJECTS         { 
                                eoMeterCapability   
                           }     
           STATUS          current 
           DESCRIPTION 
              "This group contains the object indicating the capability 
              of the Energy Object" 
           ::= { energyObjectMibGroups 5 } 
        
       eoPowerEnableStatusNotificationGroup OBJECT-GROUP 
           OBJECTS         { eoPowerEnableStatusNotification  } 
           STATUS          current 
           DESCRIPTION         
              "The collection of objects which are used to enable 
              notification." 
           ::= { energyObjectMibGroups 6 } 
            
       energyObjectMibNotifGroup NOTIFICATION-GROUP 
           NOTIFICATIONS    { 

     
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                               eoPowerStateChange 
                           } 
           STATUS          current 
           DESCRIPTION     
              "This group contains the notifications for 
              the Power, Energy Monitoring and Control MIB Module." 
           ::= { energyObjectMibGroups 7 } 
     
        
       END 
        
        
    9.3. The POWER-ATTRIBUTES-MIB MIB Module 

     
       -- ************************************************************ 
       --    
       -- This MIB module is used to monitor power attributes of  
       -- networked devices with measurements. 
       -- 
       -- This MIB module is an extension of energyObjectMib module. 
       --    
       -- ************************************************************* 
        
        
       POWER-ATTRIBUTES-MIB DEFINITIONS ::= BEGIN 
        
       IMPORTS 
           MODULE-IDENTITY, 
           OBJECT-TYPE, 
           mib-2, 
           Integer32, Unsigned32    
              FROM SNMPv2-SMI 
           MODULE-COMPLIANCE, 
           OBJECT-GROUP 
               FROM SNMPv2-CONF 
          UnitMultiplier  
             FROM ENERGY-OBJECT-MIB 
           entPhysicalIndex 
              FROM ENTITY-MIB;    
        
       powerAttributesMIB MODULE-IDENTITY 
            
           LAST-UPDATED   "201406070000Z"     -- 07 June 2014 
        
           ORGANIZATION    "IETF EMAN Working Group" 
           CONTACT-INFO 
                   "WG charter: 
                   http://datatracker.ietf.org/wg/eman/charter/ 
        

     
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                 Mailing Lists: 
                    General Discussion: eman@ietf.org 

                    To Subscribe:  
                    https://www.ietf.org/mailman/listinfo/eman 

                    Archive:  
                    http://www.ietf.org/mail-archive/web/eman 

                 Editors: 

                    Mouli Chandramouli 
                    Cisco Systems, Inc. 
                    Sarjapur Outer Ring Road 
                    Bangalore 560103 
                    IN 
                    Phone: +91 80 4429 2409  
                    Email: moulchan@cisco.com 

                    Brad Schoening 
                    44 Rivers Edge Drive 
                    Little Silver, NJ 07739 
                    US 
                    Email: brad.schoening@verizon.net 

                    Juergen Quittek 
                    NEC Europe Ltd. 
                    NEC Laboratories Europe 
                    Network Research Division 
                    Kurfuersten-Anlage 36 
                    Heidelberg  69115 
                    DE 
                    Phone: +49 6221 4342-115 
                    Email: quittek@neclab.eu 

                    Thomas Dietz 
                    NEC Europe Ltd. 
                    NEC Laboratories Europe 
                    Network Research Division 
                    Kurfuersten-Anlage 36 
                    69115 Heidelberg 
                    DE 
                    Phone: +49 6221 4342-128 
                    Email: Thomas.Dietz@nw.neclab.eu 

                    Benoit Claise 
                    Cisco Systems, Inc. 
                    De Kleetlaan 6a b1 
                    Degem 1831 
                    Belgium 

     
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                    Phone:  +32 2 704 5622 
                    Email: bclaise@cisco.com" 

           DESCRIPTION 
                   "This MIB is used to report AC power attributes in 
                   devices. The table is a sparse augmentation of the 
                   eoPowerTable table from the energyObjectMib module. 
                   Both three-phase and single-phase power 
                   configurations are supported.  
                    
                   As a requirement for this MIB module, 
                   [EMAN-AWARE-MIB] SHOULD be implemented.  
                     
                   Module Compliance of ENTITY-MIB v4 with respect to 
                   entity4CRCompliance MUST be supported which requires 
                   implementation of 4 MIB objects: entPhysicalIndex, 
                   entPhysicalClass, entPhysicalName and 
                   entPhysicalUUID." 
        
           REVISION "201406070000Z"     -- 07 June 2014 
           DESCRIPTION 
              "Initial version, published as RFC XXXX" 
            
       -- RFC Editor, please replace zzz with the IANA allocation 
       -- for this MIB module and XXXX with the number of the 
       -- approved RFC 
        
          ::= { mib-2 zzz } 
     
        
       powerAttributesMIBConform  OBJECT IDENTIFIER 
           ::= { powerAttributesMIB 0 } 
        
       powerAttributesMIBObjects OBJECT IDENTIFIER 
           ::= { powerAttributesMIB 1 } 
        
       -- Objects 
        
       eoACPwrAttributesTable OBJECT-TYPE 
           SYNTAX          SEQUENCE OF EoACPwrAttributesEntry 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This table contains power attributes measurements for 
              supported entPhysicalIndex entities. It is a sparse 
              extension of the eoPowerTable." 
           ::= { powerAttributesMIBObjects 1 } 
        
       eoACPwrAttributesEntry OBJECT-TYPE 
           SYNTAX          EoACPwrAttributesEntry 
           MAX-ACCESS      not-accessible 
     
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           STATUS          current 
           DESCRIPTION 
              "This is a sparse extension of the eoPowerTable with 
              entries for power attributes measurements or 
              configuration.  Each measured value corresponds to an 
              attribute in IEC 61850-7-4 for non-phase measurements 
              within the object MMUX." 
           INDEX { entPhysicalIndex } 
           ::= { eoACPwrAttributesTable 1 } 
        
       EoACPwrAttributesEntry ::= SEQUENCE { 
           eoACPwrAttributesConfiguration      INTEGER,   
           eoACPwrAttributesAvgVoltage          Integer32, 
           eoACPwrAttributesAvgCurrent          Unsigned32, 
           eoACPwrAttributesFrequency           Integer32, 
           eoACPwrAttributesPowerUnitMultiplier UnitMultiplier, 
           eoACPwrAttributesPowerAccuracy      Integer32, 
           eoACPwrAttributesTotalActivePower    Integer32, 
           eoACPwrAttributesTotalReactivePower  Integer32, 
           eoACPwrAttributesTotalApparentPower  Integer32, 
           eoACPwrAttributesTotalPowerFactor    Integer32,  
           eoACPwrAttributesThdCurrent          Integer32, 
           eoACPwrAttributesThdVoltage         Integer32 
                                 } 
        
       eoACPwrAttributesConfiguration OBJECT-TYPE 
           SYNTAX INTEGER {  
                     sngl(1),  
                   del(2),  
                    wye(3) 
                 } 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "Configuration describes the physical configurations of 
              the power supply lines: 
               
                 * alternating current, single phase (SNGL) 
                 * alternating current, three phase delta (DEL) 
                 * alternating current, three phase Y (WYE) 
               
              Three-phase configurations can be either connected in a 
              triangular delta (DEL) or star Y (WYE) system.  WYE 
              systems have a shared neutral voltage, while DEL systems 
              do not.  Each phase is offset 120 degrees to each other." 
           ::= { eoACPwrAttributesEntry 1 } 
        
       eoACPwrAttributesAvgVoltage OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "0.1 Volt AC" 
           MAX-ACCESS      read-only 
     
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           STATUS          current 
           DESCRIPTION 
              "A measured value for average of the voltage measured 
              over an integral number of AC cycles   For a 3-phase 
              system, this is the average voltage (V1+V2+V3)/3.  IEC 
              61850-7-4 measured value attribute 'Vol'" 
           ::= { eoACPwrAttributesEntry 2 } 
        
       eoACPwrAttributesAvgCurrent OBJECT-TYPE 
           SYNTAX          Unsigned32 
           UNITS           "amperes" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value for average of the current measured 
              over an integral number of AC cycles   For a 3-phase 
              system, this is the average current (I1+I2+I3)/3. IEC 
              61850-7-4 attribute 'Amp'" 
           ::= { eoACPwrAttributesEntry 3 } 
        
       eoACPwrAttributesFrequency OBJECT-TYPE 
           SYNTAX          Integer32 (4500..6500) 
           UNITS           "0.01 hertz" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value for the basic frequency of the AC 
              circuit.  IEC 61850-7-4 attribute 'Hz'." 
           ::= { eoACPwrAttributesEntry 4 } 
        
       eoACPwrAttributesPowerUnitMultiplier OBJECT-TYPE 
           SYNTAX          UnitMultiplier 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "The magnitude of watts for the usage value in 
              eoACPwrAttributesTotalActivePower, 
              eoACPwrAttributesTotalReactivePower  
              and eoACPwrAttributesTotalApparentPower measurements.   
              For 3-phase power systems, this will also include  
              eoACPwrAttributesWyeActivePower, 
              eoACPwrAttributesWyeReactivePower and 
              eoACPwrAttributesWyeApparentPower"  
           ::= { eoACPwrAttributesEntry 5 } 
        
       eoACPwrAttributesPowerAccuracy OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
     
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              "This object indicates a percentage value, in 100ths of a 
              percent, representing the presumed accuracy of active, 
              reactive, and apparent power usage reporting. For 
              example: 1010 means the reported usage is accurate to +/- 
              10.1 percent.  This value is zero if the accuracy is 
              unknown. 
               
              ANSI and IEC define the following accuracy classes for 
              power measurement: IEC 62053-22 & 60044-1 class 0.1, 0.2, 
              0.5, 1 & 3. 
              ANSI C12.20 class 0.2 & 0.5" 
           ::= { eoACPwrAttributesEntry 6 } 
        
       eoACPwrAttributesTotalActivePower OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "watts" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of the actual power delivered to or 
              consumed by the load.  IEC 61850-7-4 attribute 'TotW'." 
           ::= { eoACPwrAttributesEntry 7 } 
        
       eoACPwrAttributesTotalReactivePower OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "volt-amperes reactive" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of the reactive portion of the apparent 
              power.  IEC 61850-7-4 attribute 'TotVAr'." 
           ::= { eoACPwrAttributesEntry 8 } 
        
       eoACPwrAttributesTotalApparentPower OBJECT-TYPE 
           SYNTAX          Integer32  
           UNITS           "volt-amperes" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of the voltage and current which 
              determines the apparent power.  The apparent power is the 
              vector sum of real and reactive power.  
                
              Note: watts and volt-amperes are equivalent units and may 
              be combined.  IEC 61850-7-4 attribute 'TotVA'." 
           ::= { eoACPwrAttributesEntry 9 } 
        
       eoACPwrAttributesTotalPowerFactor OBJECT-TYPE 
           SYNTAX          Integer32 (-10000..10000) 
           UNITS           "hundredths" 
           MAX-ACCESS      read-only 
     
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           STATUS          current 
           DESCRIPTION 
              "A measured value ratio of the real power flowing to the 
              load versus the apparent power. It is dimensionless and 
              expressed here as a percentage value in 100ths. A power 
              factor of 100% indicates there is no inductance load and 
              thus no reactive power. Power Factor can be positive or 
              negative, where the sign should be in lead/lag (IEEE) 
              form.  IEC 61850-7-4 attribute 'TotPF'." 
           ::= { eoACPwrAttributesEntry 10 } 
        
       eoACPwrAttributesThdCurrent OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A calculated value for the current total harmonic 
              distortion (THD).  Method of calculation is not 
              specified.  IEC 61850-7-4 attribute 'ThdAmp'." 
           ::= { eoACPwrAttributesEntry 11 } 
        
       eoACPwrAttributesThdVoltage OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A calculated value for the voltage total harmonic 
              distortion (THD).  Method of calculation is not 
              specified.  IEC 61850-7-4 attribute 'ThdVol'." 
           ::= { eoACPwrAttributesEntry 12 } 
        
       eoACPwrAttributesDelPhaseTable OBJECT-TYPE 
           SYNTAX          SEQUENCE OF EoACPwrAttributesDelPhaseEntry  
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This optional table describes 3-phase power attributes 
              measurements in a DEL configuration with phase-to-phase 
              power attributes measurements.  Entities having single 
              phase power shall not have any entities.  This is a 
              sparse extension of the eoACPwrAttributesTable. 
               
              These attributes correspond to IEC 61850-7.4 MMXU phase 
              related measurements and MHAI phase related measured 
              harmonic or interharmonics." 
           ::= { powerAttributesMIBObjects 2 } 
        
       eoACPwrAttributesDelPhaseEntry OBJECT-TYPE 
           SYNTAX          EoACPwrAttributesDelPhaseEntry 
     
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           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "An entry describes power measurements of a phase in a 
              DEL 3-phase power. Three entries are required for each 
              supported entPhysicalIndex entry. Voltage measurements 
              are provided relative to each other. 
               
              For phase-to-phase measurements, the 
              eoACPwrAttributesDelPhaseIndex is compared against the 
              following phase at +120 degrees.  Thus, the possible 
              values are: 
               
              eoACPwrAttributesDelPhaseIndex    Next Phase Angle 
               
                            0                 120 
               
                            120                240 
                            240                   0    
              " 
           INDEX { entPhysicalIndex, eoACPwrAttributesDelPhaseIndex } 
           ::= { eoACPwrAttributesDelPhaseTable 1} 
        
       EoACPwrAttributesDelPhaseEntry ::= SEQUENCE { 
           eoACPwrAttributesDelPhaseIndex                   Integer32, 
           eoACPwrAttributesDelPhaseToNextPhaseVoltage      Integer32, 
           eoACPwrAttributesDelThdPhaseToNextPhaseVoltage   Integer32 
                                          } 
        
       eoACPwrAttributesDelPhaseIndex OBJECT-TYPE 
           SYNTAX          Integer32 (0..359) 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "A phase angle typically corresponding to 0, 120, 240." 
            ::= { eoACPwrAttributesDelPhaseEntry 1 } 
        
       eoACPwrAttributesDelPhaseToNextPhaseVoltage OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "0.1 Volt AC" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of phase to next phase voltages, where 
              the next phase is IEC 61850-7-4 attribute 'PPV'." 
           ::= { eoACPwrAttributesDelPhaseEntry 2 } 
        
       eoACPwrAttributesDelThdPhaseToNextPhaseVoltage OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
     
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              "A calculated value for the voltage total harmonic 
              disortion for phase to next phase. Method of calculation 
              is not specified.  IEC 61850-7-4 attribute 'ThdPPV'." 
           ::= { eoACPwrAttributesDelPhaseEntry 3 } 
        
       eoACPwrAttributesWyePhaseTable OBJECT-TYPE 
           SYNTAX          SEQUENCE OF EoACPwrAttributesWyePhaseEntry  
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This optional table describes 3-phase power attributes 
              measurements in a WYE configuration with phase-to-neutral 
              power attributes measurements. Entities having single 
              phase power shall not have any entities. This is a sparse 
              extension of the eoACPwrAttributesTable.  
               
              These attributes correspond to IEC 61850-7.4 MMXU phase 
              related measurements and MHAI phase related measured 
              harmonic or interharmonics." 
           ::= { powerAttributesMIBObjects 3 } 
        
       eoACPwrAttributesWyePhaseEntry OBJECT-TYPE 
           SYNTAX          EoACPwrAttributesWyePhaseEntry 
           MAX-ACCESS      not-accessible 
           STATUS          current 
           DESCRIPTION 
              "This table describes measurements of a phase in a WYE 3-
              phase power system. Three entries are required for each 
              supported entPhysicalIndex entry.  Voltage measurements 
              are relative to neutral. 
               
              Each entry describes power attributes of one phase of a 
              WYE 3-phase power system." 
           INDEX { entPhysicalIndex, eoACPwrAttributesWyePhaseIndex } 
           ::= { eoACPwrAttributesWyePhaseTable 1} 
        
       EoACPwrAttributesWyePhaseEntry ::= SEQUENCE { 
            eoACPwrAttributesWyePhaseIndex            Integer32, 
            eoACPwrAttributesWyePhaseToNeutralVoltage  Integer32, 
            eoACPwrAttributesWyeCurrent              Integer32, 
            eoACPwrAttributesWyeActivePower            Integer32, 
            eoACPwrAttributesWyeReactivePower          Integer32, 
            eoACPwrAttributesWyeApparentPower          Integer32, 
            eoACPwrAttributesWyePowerFactor            Integer32,    
            eoACPwrAttributesWyeThdCurrent            Integer32, 
            eoACPwrAttributesWyeThdPhaseToNeutralVoltage Integer32 
                                          } 
        
       eoACPwrAttributesWyePhaseIndex OBJECT-TYPE 
           SYNTAX          Integer32 (0..359) 
           MAX-ACCESS      not-accessible 
     
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           STATUS          current 
           DESCRIPTION 
              "A phase angle typically corresponding to 0, 120, 240." 
            ::= { eoACPwrAttributesWyePhaseEntry 1 } 
        
       eoACPwrAttributesWyePhaseToNeutralVoltage OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "0.1 Volt AC" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of phase to neutral voltage.  IEC 
              61850-7-4 attribute 'PNV'." 
           ::= { eoACPwrAttributesWyePhaseEntry 2 } 
        
       eoACPwrAttributesWyeCurrent OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "0.1 amperes AC" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of phase currents.  IEC 61850-7-4 
              attribute 'A'." 
           ::= { eoACPwrAttributesWyePhaseEntry 3 } 
        
       eoACPwrAttributesWyeActivePower OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "watts" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of the actual power delivered to or 
              consumed by the load with the magnitude indicated 
              separately in eoPowerUnitMultiplier. IEC 61850-7-4 
              attribute 'W'" 
           ::= { eoACPwrAttributesWyePhaseEntry 4 } 
        
       eoACPwrAttributesWyeReactivePower OBJECT-TYPE 
           SYNTAX          Integer32 
           UNITS           "volt-amperes reactive" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of the reactive portion of the apparent 
              power with the magnitude of indicated separately in 
              eoPowerUnitMultiplier.  IEC 61850-7-4 attribute 'VAr'" 
           ::= { eoACPwrAttributesWyePhaseEntry 5 } 
        
       eoACPwrAttributesWyeApparentPower OBJECT-TYPE 
           SYNTAX          Integer32  
           UNITS           "volt-amperes" 
     
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           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value of the voltage and current determines 
              the apparent power with the indicated separately in 
              eoPowerUnitMultiplier.  Active plus reactive power equals 
              the total apparent power. 
                
              Note: Watts and volt-amperes are equivalent units and may 
              be combined.  IEC 61850-7-4 attribute 'VA'." 
           ::= { eoACPwrAttributesWyePhaseEntry 6 } 
        
       eoACPwrAttributesWyePowerFactor OBJECT-TYPE 
           SYNTAX          Integer32 (-10000..10000) 
           UNITS           "hundredths" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A measured value ratio of the real power flowing to the 
              load versus the apparent power for this phase.  IEC 
              61850-7-4 attribute 'PF'. Power Factor can be positive or 
              negative where the sign should be in lead/lag (IEEE) 
              form." 
           ::= { eoACPwrAttributesWyePhaseEntry 7 } 
        
       eoACPwrAttributesWyeThdCurrent OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION  
              "A calculated value for the voltage total harmonic 
              disortion (THD) for phase to phase.  Method of 
              calculation is not specified.   
              IEC 61850-7-4 attribute 'ThdA'." 
           ::= { eoACPwrAttributesWyePhaseEntry 8 } 
        
       eoACPwrAttributesWyeThdPhaseToNeutralVoltage OBJECT-TYPE 
           SYNTAX          Integer32 (0..10000) 
           UNITS           "hundredths of percent" 
           MAX-ACCESS      read-only 
           STATUS          current 
           DESCRIPTION 
              "A calculated value of the voltage total harmonic 
              distortion (THD) for phase to neutral. IEC 61850-7-4 
              attribute 'ThdPhV'." 
           ::= { eoACPwrAttributesWyePhaseEntry 9 } 
        
        
       -- Conformance 
        
     
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       powerAttributesMIBCompliances  OBJECT IDENTIFIER 
           ::= { powerAttributesMIB 2 } 
        
       powerAttributesMIBGroups  OBJECT IDENTIFIER 
           ::= { powerAttributesMIB 3 } 
     
       powerAttributesMIBFullCompliance MODULE-COMPLIANCE 
           STATUS          current 
           DESCRIPTION 
              "When this MIB is implemented with support for read-
              create, then such an implementation can claim full 
              compliance. Such devices can then be both monitored and 
              configured with this MIB.  
               
              Module Compliance of [RFC6933] with respect to 
              entity4CRCompliance MUST be supported which requires 
              implementation of 4 MIB objects: entPhysicalIndex, 
              entPhysicalClass, entPhysicalName and entPhysicalUUID." 
     
           MODULE          -- this module 
           MANDATORY-GROUPS { 
                            powerACPwrAttributesMIBTableGroup 
                                     } 
     
           GROUP        powerACPwrAttributesOptionalMIBTableGroup 
           DESCRIPTION 
              "A compliant implementation does not have  
              to implement." 
                
           GROUP       powerACPwrAttributesDelPhaseMIBTableGroup      
           DESCRIPTION 
               "A compliant implementation does not have to implement." 
        
           GROUP       powerACPwrAttributesWyePhaseMIBTableGroup 
           DESCRIPTION 
               "A compliant implementation does not have to implement." 
           ::= { powerAttributesMIBCompliances 1 } 
        
     
       -- Units of Conformance 
        
       powerACPwrAttributesMIBTableGroup OBJECT-GROUP 
           OBJECTS         { 
                      -- Note that object entPhysicalIndex is NOT  
                        -- included since it is not-accessible 
                               eoACPwrAttributesAvgVoltage, 
                               eoACPwrAttributesAvgCurrent, 
                               eoACPwrAttributesFrequency, 
                               eoACPwrAttributesPowerUnitMultiplier, 
                               eoACPwrAttributesPowerAccuracy, 
     
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                               eoACPwrAttributesTotalActivePower, 
                               eoACPwrAttributesTotalReactivePower, 
                               eoACPwrAttributesTotalApparentPower, 
                               eoACPwrAttributesTotalPowerFactor 
                                                   }     
           STATUS          current 
           DESCRIPTION 
              "This group contains the collection of all the power 
              attributes objects related to the Energy Object." 
           ::= { powerAttributesMIBGroups  1 } 
        
        powerACPwrAttributesOptionalMIBTableGroup OBJECT-GROUP 
           OBJECTS         { 
                               eoACPwrAttributesConfiguration, 
                               eoACPwrAttributesThdCurrent, 
                               eoACPwrAttributesThdVoltage 
                           }     
           STATUS          current 
           DESCRIPTION 
              "This group contains the collection of all the power 
              attributes objects related to the Energy Object." 
           ::= { powerAttributesMIBGroups  2 } 
     
       powerACPwrAttributesDelPhaseMIBTableGroup OBJECT-GROUP 
           OBJECTS         { 
                           -- Note that object entPhysicalIndex and  
                           -- eoACPwrAttributesDelPhaseIndex are NOT  
                           -- included since they are not-accessible 
                     eoACPwrAttributesDelPhaseToNextPhaseVoltage, 
                     eoACPwrAttributesDelThdPhaseToNextPhaseVoltage 
                           } 
           STATUS          current 
           DESCRIPTION 
              "This group contains the collection of all power 
              attributes of a phase in a DEL 3-phase power system." 
           ::= { powerAttributesMIBGroups 3 } 
        
       powerACPwrAttributesWyePhaseMIBTableGroup OBJECT-GROUP 
           OBJECTS         { 
                              -- Note that object entPhysicalIndex and  
                              -- eoACPwrAttributesWyePhaseIndex are NOT 
                              -- included since they are not-accessible 
                      eoACPwrAttributesWyePhaseToNeutralVoltage, 
                      eoACPwrAttributesWyeCurrent, 
                      eoACPwrAttributesWyeActivePower, 
                      eoACPwrAttributesWyeReactivePower, 
                      eoACPwrAttributesWyeApparentPower, 
                      eoACPwrAttributesWyePowerFactor, 
                      eoACPwrAttributesWyeThdPhaseToNeutralVoltage, 
                      eoACPwrAttributesWyeThdCurrent 
                           } 
     
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           STATUS          current 
           DESCRIPTION 
              "This group contains the collection of all power 
              attributes of a phase in a WYE 3-phase power system." 
           ::= { powerAttributesMIBGroups 4 } 
     
        
       END 
        
     
        
    10. Implementation Status  

        
       [Note to RFC Editor: Please remove this section and the 
       reference to [RFC6982] before publication.] 
        
       This section records the status of known implementations of the 
       EMAN-Monitoring MIB at the time of posting of this Internet-
       Draft, and is based on a proposal described in [RFC6982]. 
           
       The description of implementations in this section is intended 
       to assist the IETF in its decision processes in progressing 
       drafts to RFCs.   
        
    10.1. SNMP Research  

        
            Organization:     SNMP Research, Inc. 
        
            Maturity:   Prototype based upon early drafts of the MIBs.  
                        We anticipate updating it to more recent  
                        documents as development schedules allow. 
        
            Coverage:   Code was generated to implement all MIB objects  
                        in ENTITY-MIB (Version 4),  
                        ENERGY-OBJECT-CONTEXT-MIB, 
                        ENERGY-OBJECT-MIB, 
                        POWER-ATTRIBUTES-MIB,  
                        and BATTERY-MIB. 
        
            Implementation experience: The documents are implementable. 
        
            Comments:   Technical comments about the  
                        ENERGY-OBJECT-CONTEXT-MIB, 
                        ENERGY-OBJECT-MIB, and  
                        BATTERY-MIB  
                        were submitted to the EMAN Working Group  
                        E-mail list.  
        
            Licensing:  Proprietary, royalty licensing 
     
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            Contact:    Alan Luchuk, luchuk at snmp.com 
        
            URL:        http://www.snmp.com/ 
        
        
    10.2. Cisco Systems 

        
            Organization:     Cisco Systems, Inc. 
        
            Maturity:   Prototype based upon early version drafts of  
                        the MIBs. We anticipate updating the MIB  
                        modules as when the drafts are updated.  
        
            Coverage:   Code was generated to implement all MIB objects 
                        in the ENTITY-MIB (Version 4), and  
                        ENERGY-OBJECT-MIB. 
                         
            Implementation experience:  The MIB modules are implemented 
                        on Cisco router platforms to measure and report 
                        router energy measurements. The documents are  
                        implementable. 
        
            Licensing:  Proprietary  
        
            URL:        http://www.cisco.com  
     
        
    11. Security Considerations 

       There are a number of management objects defined in this MIB 
       module with a MAX-ACCESS clause of read-write and/or read-
       create. Such objects may be considered sensitive or vulnerable 
       in some network environments. The support for SET operations in 
       a non-secure environment without proper protection opens devices 
       to attack. These are the tables and objects and their 
       sensitivity/vulnerability:  
     
       - Unauthorized changes to the eoPowerOperState (via the 
          eoPowerAdminState ) MAY disrupt the power settings of the 
          differentEnergy Objects, and therefore the state of 
          functionality of the respective Energy Objects. 
       - Unauthorized changes to the eoEnergyParametersTable MAY 
          disrupt energy measurement in the eoEnergyTable table.  
        
       SNMP versions prior to SNMPv3 did not include adequate security. 
       Even if the network itself is secure (for example by using 
       IPsec), there is no control as to who on the secure network is 
       allowed to access and GET/SET (read/change/create/delete) the 
       objects in this MIB module. 
     
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       Implementations SHOULD provide the security features described 
       by the SNMPv3 framework (see [RFC3410]), and implementations 
       claiming compliance to the SNMPv3 standard MUST include full 
       support for authentication and privacy via the User-based 
       Security Model (USM) [RFC3414] with the AES cipher algorithm 
       [RFC3826]. Implementations MAY also provide support for the 
       Transport Security Model (TSM) [RFC5591] in combination with a 
       secure transport such as SSH [RFC5592] or TLS/DTLS [RFC6353]. 
        
       Further, deployment of SNMP versions prior to SNMPv3 is NOT 
       RECOMMENDED.  Instead, it is RECOMMENDED to deploy SNMPv3 and to 
       enable cryptographic security.  It is then a customer/operator 
       responsibility to ensure that the SNMP entity giving access to 
       an instance of this MIB module is properly configured to give 
       access to the objects only to those principals (users) that have 
       legitimate rights to indeed GET or SET (change/create/delete) 
       them. 
        
       In certain situations, energy and power monitoring can reveal 
       sensitive information about individuals' activities and habits. 
       Implementors of this specification should use appropriate 
       privacy protections as discussed in Section 9 of RFC 6988 and 
       monitoring of individuals and homes should only occur with 
       proper authorization. 
        
     

    12. IANA Considerations 

       The MIB modules in this document use the following IANA-assigned 
       OBJECT IDENTIFIER values recorded in the SMI Numbers registry: 

           Descriptor                   OBJECT IDENTIFIER value 

           ----------                   ----------------------- 

           IANAPowerStateSet-MIB           { mib-2 xxx } 

           energyObjectMIB                 { mib-2 yyy } 

           powerAttributesMIB              { mib-2 zzz } 

     
       EDITOR'S NOTE (to be removed prior to publication):  IANA is 
       requested to assign a value for "xxx", "yyy" and "zzz" under the 
       'mib-2' subtree and to record the assignment in the SMI Numbers 
       registry.  When the assignment has been made, the RFC Editor is 
       asked to replace "xxx", "yyy" and "zzz" (here and in the MIB 
       module) with the assigned value and to remove this note. 
     
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    12.1. IANAPowerStateSet-MIB module  

       This document defines the initial version of the IANA-maintained 
       The initial set of Power State Sets are specified in [RFC7326].  
       IANA maintains a Textual Convention PowerStateSet in the 
       IANAPowerStateSet-MIB module, with the initial set of Power 
       State Sets and the Power States within those Power State Sets as 
       proposed in the [RFC7326].  The current version of PowerStateSet 
       Textual convention can be accessed 
       http://www.iana.org/assignments/power-state-sets.  

       New Assignments (and potential deprecation) to Power State Sets 
       shall be administered by IANA and the guidelines and procedures 
       are specified in [RFC7326], and will, as a consequence, update 
       the IANAPowerStateSet Textual Convention. 

    13. Contributors 

       This document results from the merger of two initial proposals. 
       The following persons made significant contributions either in 
       one of the initial proposals or in this document: 

       John Parello 
        
       Rolf Winter 
        
       Dominique Dudkowski 
     

    14. Acknowledgment 

       The authors would like to thank Shamita Pisal for her prototype 
       of this MIB module, and her valuable feedback.  The authors 
       would like to Michael Brown for improving the text dramatically. 
     
       The authors would like to thank Juergen Schoenwalder for 
       proposing the design of the Textual Convention for PowerStateSet 
       and Ira McDonald for his feedback. Special appreciation to 
       Laurent Guise for his review and input on power quality 
       measurements. Thanks for the many comments on the design of the 
       EnergyTable from Minoru Teraoka and Hiroto Ogaki. 
        
       Many thanks to Alan Luchuk for the detailed review of the MIB 
       and his comments.   
        
       And finally, thanks to the EMAN chairs: Nevil Brownlee and Tom 
       Nadeau. 
     

     
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    15. References 

    15.1. Normative References 

       [RFC2119] S. Bradner, Key words for use in RFCs to Indicate 
                Requirement Levels, BCP 14, RFC 2119, March 1997. 
        
       [RFC2578]  McCloghrie, K., Ed., Perkins, D., Ed., and J. 
                Schoenwaelder, Ed., "Structure of Management 
                Information Version 2 (SMIv2)", STD 58, RFC 2578, April 
                1999. 
        
       [RFC2579]  McCloghrie, K., Ed., Perkins, D., Ed., and J. 
                Schoenwaelder, Ed., "Textual Conventions for SMIv2", 
                STD 58, RFC 2579, April 1999. 
        
       [RFC2580]  McCloghrie, K., Perkins, D., and J. Schoenwaelder, 
                "Conformance Statements for SMIv2", STD 58, RFC 2580, 
                April 1999. 
     
       [RFC3621] Berger, A., and D. Romascanu, "Power Ethernet MIB", 
                RFC3621, December 2003. 
     
       [RFC6933] A. Bierman, D. Romascanu, J. Quittek and M. 
                Chandramouli " Entity MIB (Version 4)", RFC 6933, May 
                2013.  
     
       [EMAN-AWARE-MIB] J. Parello, B. Claise and M. Chandramoili, 
                "draft-ietf-eman-energy-aware-mib-14", work in 
                progress, February 10 2013. 
        
       [LLDP-MED-MIB]  ANSI/TIA-1057, "The LLDP Management Information 
                Base extension module for TIA-TR41.4 media endpoint 
                discovery information", July 2005. 
        
    15.2. Informative References 

        
       [RFC1628] S. Bradner, "UPS Management Information Base", RFC 
                1628, May 1994  
        
       [RFC3410]  Case, J., Mundy, R., Partain, D., and B. Stewart, 
                "Introduction and Applicability Statements for Internet 
                Standard Management Framework ", RFC 3410, December 
                2002. 
         
       [RFC3418]  Presun, R., Case, J., McCloghrie, K., Rose, M, and S. 
                Waldbusser, "Management Information Base (MIB) for the 
                Simple Network Management Protocol (SNMP)", RFC3418, 
                December 2002. 
        
     
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       [RFC3433]  Bierman, A., Romascanu, D., and K. Norseth, "Entity 
                Sensor Management Information Base", RFC 3433, December 
                2002. 
        
       [RFC4268]  Chisholm, S. and D. Perkins, "Entity State MIB", RFC 
                4268, November 2005. 
        
       [RFC6982]  Sheffer, Y. and A. Farrel, "Improving Awareness of 
                Running Code: The Implementation Status Section", RFC 
                6982, July 2013. 
        
       [RFC6988] Quittek, J., Winter, R., Dietz, T., Claise, B., and M. 
                Chandramouli, " Requirements for Energy Management", 
                RFC 6988, September 2013.  
        
       [RFC7326] Parello, J., Claise, B., Schoening, B. and Quittek, 
                J., "Energy Management Framework", RFC 7326, September 
                2014. 
     
       [EMAN-AS] Schoening, B., Chandramouli, M. and Nordman, B. 
                "Energy Management (EMAN) Applicability Statement", 
                draft-ietf-eman-applicability-statement-08, Nov 2014. 
        
       [DMTF] "Power State Management Profile DMTF  DSP1027  Version 
                2.0"  December 2009     
                http://www.dmtf.org/sites/default/files/standards/docum
                ents/DSP1027_2.0.0.pdf 
        
       [IEEE1621]  "Standard for User Interface Elements in Power 
                Control of Electronic Devices Employed in 
                Office/Consumer Environments", IEEE 1621, December 
                2004.  
        
       [IEC.61850-7-4] International Electrotechnical Commission, 
                "Communication networks and systems for power utility 
                automation Part 7-4: Basic communication structure 
                Compatible logical node classes and data object 
                classes", 2010. 
        
       [IEC.62053-21] International Electrotechnical Commission, 
                "Electricity metering equipment (a.c.) Particular 
                requirements Part 22: Static meters for active energy  
                (classes 1 and 2)", 2003. 
        
       [IEC.62053-22]International Electrotechnical Commission, 
                "Electricity metering equipment (a.c.) Particular 
                requirements Part 22: Static meters for active energy  
                (classes 0,2 S and 0,5 S)", 2003. 
     
       [RFC3414]  Blumenthal, U. and B. Wijnen, "User-based Security  

     
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                Model (USM) for version 3 of the Simple Network  
                ManagementProtocol (SNMPv3)", STD 62, RFC 3414, 
                December 2002. 
        
       [RFC3826]  Blumenthal, U., Maino, F., and K. McCloghrie, "The               
                Advanced Encryption Standard (AES) Cipher Algorithm in 
                the SNMP User-based Security Model", RFC 3826, June 
                2004. 
     
       [RFC5591]  Harrington, D. and W. Hardaker, "Transport Security 
                Model for the Simple Network Management Protocol 
                (SNMP)", RFC 5591, June 2009.      
        
       [RFC5592]  Harrington, D., Salowey, J., and W. Hardaker, "Secure 
                Shell Transport Model for the Simple Network Management 
                Protocol (SNMP)", RFC 5592, June 2009.    
        
       [RFC6353]  Hardaker, W., "Transport Layer Security (TLS) 
                Transport Model for the Simple Network Management 
                Protocol (SNMP)", RFC 6353, July 2011. 
        
     
        
     Authors' Addresses 
        
       
      Mouli Chandramouli 
      Cisco Systems, Inc. 
      Sarjapur Outer Ring Road 
      Bangalore 560103 
      IN 
       
      Phone: +91 80 4429 2409  
      Email: moulchan@cisco.com 
       
       
      Benoit Claise 
      Cisco Systems, Inc. 
      De Kleetlaan 6a b1 
      Diegem 1813 
      BE 
          
      Phone: +32 2 704 5622 
      Email: bclaise@cisco.com 
       
       
      Brad Schoening 
      44 Rivers Edge Drive 
      Little Silver, NJ 07739 
      US 
      Email: brad.schoening@verizon.net 
     
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      Juergen Quittek 
      NEC Europe Ltd. 
      NEC Laboratories Europe 
      Network Research Division 
      Kurfuersten-Anlage 36 
      Heidelberg  69115 
      DE 
       
      Phone: +49 6221 4342-115 
      Email: quittek@neclab.eu 
       
       
      Thomas Dietz 
      NEC Europe Ltd. 
      NEC Laboratories Europe 
      Network Research Division 
      Kurfuersten-Anlage 36 
      Heidelberg  69115 
      DE 
       
      Phone: +49 6221 4342-128 
      Email: Thomas.Dietz@neclab.eu 
     

     
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