rfc1628.txt

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Network Working Group                                    J. Case, Editor
Request for Comments: 1628                   SNMP Research, Incorporated
Category: Standards Track                                       May 1994


                    UPS Management Information Base

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Table of Contents

   1. Introduction ..............................................    1
   2. The SNMPv2 Network Management Framework ...................    2
   2.1 Object Definitions .......................................    2
   3. Overview ..................................................    2
   4. Definitions ...............................................    3
   4.1 The Device Identification Group...........................    4
   4.2 The Battery Group ........................................    5
   4.3 The Input Group ..........................................    7
   4.4 The Output Group .........................................    9
   4.5 The Bypass Group .........................................   12
   4.6 The Alarm Group ..........................................   13
   4.7 The Test Group ...........................................   19
   4.8 The Control Group ........................................   23
   4.9 The Configuration Group ..................................   26
   5. Acknowledgements ..........................................   43
   6. References ................................................   44
   7. Security Considerations ...................................   45
   8. Author's Address ..........................................   45

1.  Introduction

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols in the Internet community.
   In particular, it defines objects for managing uninterruptible power
   supply (UPS) systems.









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RFC 1628                        UPS MIB                         May 1994


2.  The SNMPv2 Network Management Framework

   The SNMPv2 Network Management Framework consists of four major
   components.  They are:

      o    RFC 1442 which defines the SMI, the mechanisms used for
           describing and naming objects for the purpose of management.

      o    STD 17, RFC 1213 defines MIB-II, the core set of managed
           objects for the Internet suite of protocols.

      o    RFC 1445 which defines the administrative and other
           architectural aspects of the framework.

      o    RFC 1448 which defines the protocol used for network access
           to managed objects.

   The Framework permits new objects to be defined for the purpose of
   experimentation and evaluation.

2.1.  Object Definitions

   Managed objects are accessed via a virtual information store, termed
   the Management Information Base or MIB.  Objects in the MIB are
   defined using the subset of Abstract Syntax Notation One (ASN.1)
   defined in the SMI.  In particular, each object type is named by an
   OBJECT IDENTIFIER, an administratively assigned name.  The object
   type together with an object instance serves to uniquely identify a
   specific instantiation of the object.  For human convenience, we
   often use a textual string, termed the descriptor, to refer to the
   object type.

3.  Overview

   This document defines the managed objects for Uninterruptible Power
   Supplies which are to be manageable via the Simple Network Management
   Protocol (SNMP).














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RFC 1628                        UPS MIB                         May 1994


4.  Definitions

   UPS-MIB DEFINITIONS ::= BEGIN

   IMPORTS
       MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,
       OBJECT-IDENTITY, Counter32, Gauge32, Integer32
           FROM SNMPv2-SMI
       DisplayString, TimeStamp, TimeInterval, TestAndIncr,
         AutonomousType
           FROM SNMPv2-TC
       MODULE-COMPLIANCE, OBJECT-GROUP
           FROM SNMPv2-CONF;


   upsMIB MODULE-IDENTITY
       LAST-UPDATED "9402230000Z"
       ORGANIZATION "IETF UPS MIB Working Group"
       CONTACT-INFO
              "        Jeffrey D. Case

                Postal: SNMP Research, Incorporated
                        3001 Kimberlin Heights Road
                        Knoxville, TN  37920
                        US

                   Tel: [phone]
                   Fax: [phone]

                E-mail: [e-mail]"
       DESCRIPTION
               "The MIB module to describe Uninterruptible Power
               Supplies."
       ::= { mib-2 33 }

   PositiveInteger ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d"
       STATUS       current
       DESCRIPTION
               "This data type is a non-zero and non-negative value."
       SYNTAX       INTEGER (1..2147483647)

   NonNegativeInteger ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d"
       STATUS       current
       DESCRIPTION
               "This data type is a non-negative value."
       SYNTAX       INTEGER (0..2147483647)



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   upsObjects            OBJECT IDENTIFIER ::= { upsMIB 1 }


   --
   -- The Device Identification group.
   --      All objects in this group except for upsIdentName and
   --      upsIdentAttachedDevices are set at device initialization
   --      and remain static.
   --

   upsIdent              OBJECT IDENTIFIER ::= { upsObjects 1 }

   upsIdentManufacturer OBJECT-TYPE
       SYNTAX     DisplayString (SIZE (0..31))
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The name of the UPS manufacturer."
       ::= { upsIdent 1 }

   upsIdentModel OBJECT-TYPE
       SYNTAX     DisplayString (SIZE (0..63))
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The UPS Model designation."
       ::= { upsIdent 2 }

   upsIdentUPSSoftwareVersion OBJECT-TYPE
       SYNTAX     DisplayString (SIZE (0..63))
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The UPS firmware/software version(s).  This variable
               may or may not have the same value as
               upsIdentAgentSoftwareVersion in some implementations."
       ::= { upsIdent 3 }

   upsIdentAgentSoftwareVersion OBJECT-TYPE
       SYNTAX     DisplayString (SIZE (0..63))
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The UPS agent software version.  This variable may or
               may not have the same value as
               upsIdentUPSSoftwareVersion in some implementations."
       ::= { upsIdent 4 }




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RFC 1628                        UPS MIB                         May 1994


   upsIdentName OBJECT-TYPE
       SYNTAX     DisplayString (SIZE(0..63))
       MAX-ACCESS read-write
       STATUS     current
       DESCRIPTION
               "A string identifying the UPS.  This object should be
               set by the administrator."
       ::= { upsIdent 5 }

   upsIdentAttachedDevices OBJECT-TYPE
       SYNTAX     DisplayString (SIZE(0..63))
       MAX-ACCESS read-write
       STATUS     current
       DESCRIPTION
               "A string identifying the devices attached to the
               output(s) of the UPS.  This object should be set by
               the administrator."
       ::= { upsIdent 6 }


   --
   -- Battery Group
   --

   upsBattery            OBJECT IDENTIFIER ::= { upsObjects 2 }

   upsBatteryStatus OBJECT-TYPE
       SYNTAX     INTEGER {
           unknown(1),
           batteryNormal(2),
           batteryLow(3),
           batteryDepleted(4)
       }
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The indication of the capacity remaining in the UPS
               system's batteries.   A value of batteryNormal
               indicates that the remaining run-time is greater than
               upsConfigLowBattTime.  A value of batteryLow indicates
               that the remaining battery run-time is less than or
               equal to upsConfigLowBattTime.  A value of
               batteryDepleted indicates that the UPS will be unable
               to sustain the present load when and if the utility
               power is lost (including the possibility that the
               utility power is currently absent and the UPS is
               unable to sustain the output)."
       ::= { upsBattery 1 }



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RFC 1628                        UPS MIB                         May 1994


   upsSecondsOnBattery OBJECT-TYPE
       SYNTAX     NonNegativeInteger
       UNITS      "seconds"
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "If the unit is on battery power, the elapsed time
               since the UPS last switched to battery power, or the
               time since the network management subsystem was last
               restarted, whichever is less.  Zero shall be returned
               if the unit is not on battery power."
       ::= { upsBattery 2 }

   upsEstimatedMinutesRemaining OBJECT-TYPE
       SYNTAX     PositiveInteger
       UNITS      "minutes"
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "An estimate of the time to battery charge depletion
               under the present load conditions if the utility power
               is off and remains off, or if it were to be lost and
               remain off."
       ::= { upsBattery 3 }

   upsEstimatedChargeRemaining OBJECT-TYPE
       SYNTAX     INTEGER (0..100)
       UNITS      "percent"
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "An estimate of the battery charge remaining expressed
               as a percent of full charge."
       ::= { upsBattery 4 }

   upsBatteryVoltage OBJECT-TYPE
       SYNTAX     NonNegativeInteger
       UNITS      "0.1 Volt DC"
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The magnitude of the present battery voltage."
       ::= { upsBattery 5 }

   upsBatteryCurrent OBJECT-TYPE
       SYNTAX     Integer32
       UNITS      "0.1 Amp DC"
       MAX-ACCESS read-only



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       STATUS     current
       DESCRIPTION
               "The present battery current."
       ::= { upsBattery 6 }

   upsBatteryTemperature OBJECT-TYPE
       SYNTAX     Integer32
       UNITS      "degrees Centigrade"
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The ambient temperature at or near the UPS Battery
               casing."
       ::= { upsBattery 7 }


   --
   -- Input Group
   --

   upsInput              OBJECT IDENTIFIER ::= { upsObjects 3 }

   upsInputLineBads OBJECT-TYPE
       SYNTAX     Counter32
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "A count of the number of times the input entered an
               out-of-tolerance condition as defined by the
               manufacturer.  This count is incremented by one each
               time the input transitions from zero out-of-tolerance
               lines to one or more input lines out-of-tolerance."
       ::= { upsInput 1 }


   upsInputNumLines OBJECT-TYPE
       SYNTAX     NonNegativeInteger
       MAX-ACCESS read-only
       STATUS     current
       DESCRIPTION
               "The number of input lines utilized in this device.
               This variable indicates the number of rows in the
               input table."
       ::= { upsInput 2 }

   upsInputTable OBJECT-TYPE
       SYNTAX     SEQUENCE OF UpsInputEntry
       MAX-ACCESS not-accessible



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