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RFC 3276

 
 
 

Definitions of Managed Objects for High Bit-Rate DSL - 2nd generation (HDSL2) and Single-Pair High-Speed Digital Subscriber Line (SHDSL) Lines Processing

Part 2 of 3, p. 14 to 42
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6.  Definitions

HDSL2-SHDSL-LINE-MIB DEFINITIONS ::= BEGIN

IMPORTS
MODULE-IDENTITY,
OBJECT-TYPE,
Counter32,
Unsigned32,
Gauge32,
NOTIFICATION-TYPE,
Integer32,
transmission                  FROM SNMPv2-SMI
RowStatus,
TEXTUAL-CONVENTION            FROM SNMPv2-TC
ifIndex                       FROM IF-MIB
PerfCurrentCount,
PerfIntervalCount             FROM PerfHist-TC-MIB
SnmpAdminString               FROM SNMP-FRAMEWORK-MIB
MODULE-COMPLIANCE,
OBJECT-GROUP,
NOTIFICATION-GROUP            FROM SNMPv2-CONF;

hdsl2ShdslMIB MODULE-IDENTITY
    LAST-UPDATED "200205090000Z" -- May 9, 2002
    ORGANIZATION "ADSLMIB Working Group"
    CONTACT-INFO "WG-email:  adslmib@ietf.org
               Info:      https://www1.ietf.org/mailman/listinfo/adslmib
               Chair:     Mike Sneed

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               Postal:    P.O. Box 37324
                          Raleigh NC 27627-7324
               Email:     sneedmike@hotmail.com

               Co-editor: Bob Ray
                          PESA Switching Systems, Inc.
               Postal:    330-A Wynn Drive
                          Huntsville, AL 35805 USA
               Email:     rray@pesa.com
               Phone:     +1 256 726 9200 ext. 142

               Co-editor: Rajesh Abbi
                          Alcatel USA
               Postal:    2912 Wake Forest Road
                          Raleigh, NC 27609-7860 USA

               Email:     Rajesh.Abbi@alcatel.com
               Phone:     +1 919 850 6194
              "

DESCRIPTION
     "This MIB module defines a collection of objects for managing
      HDSL2/SHDSL lines.  An agent may reside at either end of the
      line, however the MIB is designed to require no management
      communication between the modems beyond that inherent in the
      low-level EOC line protocol as defined in ANSI T1E1.4/2000-006
      (for HDSL2 lines), or in ITU G.991.2 (for SHDSL lines)."
 REVISION "200205090000Z" -- May 9, 2002
 DESCRIPTION "Initial version, published as RFC 3276."

 ::= { transmission 48 }

hdsl2ShdslMibObjects OBJECT IDENTIFIER ::= { hdsl2ShdslMIB 1 }

-- Textual Conventions used in this MIB
--

Hdsl2ShdslPerfCurrDayCount ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "A gauge associated with interface performance measurements in
      a current 1-day (24 hour) measurement interval.

      The value of this gauge starts at zero at the beginning of an
      interval and is increased when associated events occur, until
      the end of the 1-day interval.  At that time the value of the
      gauge is stored in the previous 1-day history interval, as
      defined in a companion object of type

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      Hdsl2Shdsl1DayIntevalCount, and the current interval gauge
      is restarted at zero.

      In the case where the agent has no valid data available for
      this interval the corresponding object instance is not
      available and upon a retrieval request a corresponding error
      message shall be returned to indicate that this instance does
      not exist.  Please note that zero is a valid value."
   SYNTAX  Gauge32

Hdsl2Shdsl1DayIntervalCount ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "A counter associated with interface performance measurements
      during the most previous 1-day (24 hour) measurement interval.
      The value of this gauge is equal to the value of the current
      day gauge, as defined in a companion object of type
      Hdsl2ShdslPerfCurrDayCount, at the end of its most recent
      interval.

      In the case where the agent has no valid data available for
      this interval the corresponding object instance is not
      available and upon a retrieval request a corresponding error
      message shall be returned to indicate that this instance does
      not exist."
   SYNTAX  Gauge32

Hdsl2ShdslPerfTimeElapsed ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "The number of seconds that have elapsed since the beginning of
      the current measurement period.  If, for some reason, such as
      an adjustment in the system's time-of-day clock or the addition
      of a leap second, the current interval exceeds the maximum
      value, the agent will return the maximum value.

      For 15 minute intervals, the range is limited to (0..899).
      For 24 hour intervals, the range is limited to (0..86399)."
   SYNTAX    Unsigned32(0..86399)

Hdsl2ShdslPerfIntervalThreshold ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "This convention defines a range of values that may be set in
      a fault threshold alarm control.  As the number of seconds in
      a 15-minute interval numbers at most 900, objects of this type
      may have a range of 0...900, where the value of 0 disables the
      alarm."

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   SYNTAX    Unsigned32(0..900)

Hdsl2ShdslUnitId ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "This is the unique identification for all units in a
      HDSL2/SHDSL Span.  It is based on the EOC unit addressing
      scheme with reference to the xtuC."
   SYNTAX    INTEGER
           {
           xtuC(1),
           xtuR(2),
           xru1(3),
           xru2(4),
           xru3(5),
           xru4(6),
           xru5(7),
           xru6(8),
           xru7(9),
           xru8(10)
           }

Hdsl2ShdslUnitSide ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "This is the referenced side of a HDSL2/SHDSL unit - Network
      or Customer side.  The side facing the Network is the Network
      side, while the side facing the Customer is the Customer side."
   SYNTAX    INTEGER
           {
           networkSide(1),
           customerSide(2)
           }

Hdsl2ShdslWirePair ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "This is the referenced pair of wires in a HDSL2/SHDSL Segment.
      HDSL2 only supports a single pair (wirePair1), while SHDSL
      supports an optional second pair (wirePair2)."
   SYNTAX    INTEGER
           {
           wirePair1(1),
           wirePair2(2)
           }

Hdsl2ShdslTransmissionModeType ::= TEXTUAL-CONVENTION
   STATUS    current

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   DESCRIPTION
     "Contains the regional setting of the HDSL2/SHDSL span,
     represented as a bit-map of possible settings. The various
     bit positions are:

     Bit   Meaning      Description
     1     region 1     Indicates ITU-T G.991.2 Annex A.
     2     region 2     Indicates ITU-T G.991.2 Annex B."
   SYNTAX      BITS
           {
           region1(0),
           region2(1)
           }

Hdsl2ShdslClockReferenceType ::= TEXTUAL-CONVENTION
   STATUS    current
   DESCRIPTION
     "The various STU-C symbol clock references for the
     HDSL2/SHDSL span, represented as an enumeration."
   SYNTAX    INTEGER
          {
          localClk(1),          -- Mode-1 per G991.2
          networkClk(2),        -- Mode-2 per G991.2
          dataOrNetworkClk(3),  -- Mode-3a per G991.2
          dataClk(4)            -- Mode-3b per G991.2
          }

-- Span Configuration Group
--

hdsl2ShdslSpanConfTable OBJECT-TYPE
   SYNTAX     SEQUENCE OF Hdsl2ShdslSpanConfEntry
   MAX-ACCESS not-accessible
   STATUS     current
   DESCRIPTION
     "This table supports overall configuration of HDSL2/SHDSL
      Spans.  Entries in this table MUST be maintained in a
      persistent manner."
   ::= { hdsl2ShdslMibObjects 1 }

hdsl2ShdslSpanConfEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslSpanConfEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2ShdslSpanConfTable.  Each entry
      represents the complete Span in a single HDSL2/SHDSL line.
      It is indexed by the ifIndex of the associated HDSL2/SHDSL

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      line."
   INDEX { ifIndex }
   ::= { hdsl2ShdslSpanConfTable 1 }

Hdsl2ShdslSpanConfEntry ::=
   SEQUENCE
   {
   hdsl2ShdslSpanConfNumRepeaters          Unsigned32,
   hdsl2ShdslSpanConfProfile               SnmpAdminString,
   hdsl2ShdslSpanConfAlarmProfile          SnmpAdminString
   }

   hdsl2ShdslSpanConfNumRepeaters OBJECT-TYPE
   SYNTAX      Unsigned32(0..8)
   UNITS       "repeaters"
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object provisions the number of repeaters/regenerators
     in this HDSL2/SHDSL Span."
   ::= { hdsl2ShdslSpanConfEntry 1 }

hdsl2ShdslSpanConfProfile OBJECT-TYPE
   SYNTAX      SnmpAdminString (SIZE(1..32))
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object is a pointer to a span configuration profile in
     the hdsl2ShdslSpanConfProfileTable, which applies to this span.
     The value of this object is the index of the referenced profile
     in the hdsl2ShdslSpanConfProfileTable.  Note that span
     configuration profiles are only applicable to SHDSL lines.

     HDSL2 lines MUST reference the default profile, 'DEFVAL'.
     By default, this object will have the value 'DEFVAL' (the index
     of the default profile).

     Any attempt to set this object to a value that is not the value
     of the index for an active entry in the profile table,
     hdsl2ShdslSpanConfProfileTable, MUST be rejected."
   ::= { hdsl2ShdslSpanConfEntry 2 }

hdsl2ShdslSpanConfAlarmProfile OBJECT-TYPE
   SYNTAX      SnmpAdminString (SIZE(1..32))
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object is a pointer to an Alarm configuration profile in

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     the hdsl2ShdslEndpointAlarmConfProfileTable.  The value of this
     object is the index of the referenced profile in the
     hdsl2ShdslEndpointAlarmConfProfileTable.  The alarm threshold
     configuration in the referenced profile will be used by default
     for all segment endpoints in this span.  Individual endpoints
     may override this profile by explicitly specifying some other
     profile in the hdsl2ShdslEndpointConfTable.  By default, this
     object will have the value 'DEFVAL' (the index of the default
     profile).

     Any attempt to set this object to a value that is not the value
     of the index for an active entry in the profile table,
     hdsl2ShdslEndpointAlarmConfProfileTable, MUST be rejected."
   ::= { hdsl2ShdslSpanConfEntry 3 }

-- Span Status Group
--

hdsl2ShdslSpanStatusTable OBJECT-TYPE
   SYNTAX     SEQUENCE OF Hdsl2ShdslSpanStatusEntry
   MAX-ACCESS not-accessible
   STATUS     current
   DESCRIPTION
     "This table provides overall status information of
      HDSL2/SHDSL spans.  This table contains live data from
      equipment.  As such, it is NOT persistent."
   ::= { hdsl2ShdslMibObjects 2 }

hdsl2ShdslSpanStatusEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslSpanStatusEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2ShdslSpanStatusTable.  Each entry
      represents the complete span in a single HDSL2/SHDSL line.
      It is indexed by the ifIndex of the associated HDSL2/SHDSL
      line."
   INDEX { ifIndex }
   ::= { hdsl2ShdslSpanStatusTable 1 }

Hdsl2ShdslSpanStatusEntry ::=
   SEQUENCE
   {
   hdsl2ShdslStatusNumAvailRepeaters        Unsigned32,
   hdsl2ShdslStatusMaxAttainableLineRate    Unsigned32,
   hdsl2ShdslStatusActualLineRate           Unsigned32,
   hdsl2ShdslStatusTransmissionModeCurrent
             Hdsl2ShdslTransmissionModeType

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   }

hdsl2ShdslStatusNumAvailRepeaters OBJECT-TYPE
   SYNTAX      Unsigned32(0..8)
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Contains the actual number of repeaters/regenerators
      discovered in this HDSL2/SHDSL span."
   ::= { hdsl2ShdslSpanStatusEntry 1 }

hdsl2ShdslStatusMaxAttainableLineRate OBJECT-TYPE
   SYNTAX      Unsigned32(0..4112000)
   UNITS       "bps"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Contains the maximum attainable line rate in this HDSL2/SHDSL
      span.  This object provides the maximum rate the line is
      capable of achieving.  This is based upon measurements made
      during line probing."
   ::= { hdsl2ShdslSpanStatusEntry 2 }

hdsl2ShdslStatusActualLineRate OBJECT-TYPE
   SYNTAX      Unsigned32(0..4112000)
   UNITS       "bps"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Contains the actual line rate in this HDSL2/SHDSL span.  This
     should equal ifSpeed."
   ::= { hdsl2ShdslSpanStatusEntry 3 }

hdsl2ShdslStatusTransmissionModeCurrent OBJECT-TYPE
   SYNTAX      Hdsl2ShdslTransmissionModeType
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Contains the current Power Spectral Density (PSD) regional
      setting of the HDSL2/SHDSL span."
   ::= { hdsl2ShdslSpanStatusEntry 4 }

-- Unit Inventory Group
--

hdsl2ShdslInventoryTable OBJECT-TYPE
   SYNTAX     SEQUENCE OF Hdsl2ShdslInventoryEntry
   MAX-ACCESS not-accessible

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   STATUS     current
   DESCRIPTION
     "This table supports retrieval of unit inventory information
      available via the EOC from units in a HDSL2/SHDSL line.

      Entries in this table are dynamically created during the
      line discovery process.  The life cycle for these entries
      is as follows:

         - xtu discovers a device, either a far-end xtu or an xru
         - an inventory table entry is created for the device
         - the line goes down for whatever reason
         - inventory table entries for unreachable devices are
           destroyed.

      As these entries are created/destroyed dynamically, they
      are NOT persistent."
   ::= { hdsl2ShdslMibObjects 3 }

hdsl2ShdslInventoryEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslInventoryEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2ShdslInventoryTable.  Each entry
      represents inventory information for a single unit in a
      HDSL2/SHDSL line.  It is indexed by the ifIndex of the
      HDSL2/SHDSL line and the Hdsl2ShdslUnitId of the
      associated unit."
   INDEX { ifIndex, hdsl2ShdslInvIndex }
   ::= { hdsl2ShdslInventoryTable 1 }

Hdsl2ShdslInventoryEntry ::=
   SEQUENCE
   {
   hdsl2ShdslInvIndex                      Hdsl2ShdslUnitId,
   hdsl2ShdslInvVendorID                   OCTET STRING,
   hdsl2ShdslInvVendorModelNumber          OCTET STRING,
   hdsl2ShdslInvVendorSerialNumber         OCTET STRING,
   hdsl2ShdslInvVendorEOCSoftwareVersion   Integer32,
   hdsl2ShdslInvStandardVersion            Integer32,
   hdsl2ShdslInvVendorListNumber           OCTET STRING,
   hdsl2ShdslInvVendorIssueNumber          OCTET STRING,
   hdsl2ShdslInvVendorSoftwareVersion      OCTET STRING,
   hdsl2ShdslInvEquipmentCode              OCTET STRING,
   hdsl2ShdslInvVendorOther                OCTET STRING,
   hdsl2ShdslInvTransmissionModeCapability
                         Hdsl2ShdslTransmissionModeType

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   }

hdsl2ShdslInvIndex OBJECT-TYPE
   SYNTAX      Hdsl2ShdslUnitId
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
      "Each entry in this table corresponds to a physical element
      in a HDSL2/SHDSL Span.  It is based on the EOC unit addressing
      scheme with reference to the xtuC."
   ::= { hdsl2ShdslInventoryEntry 1 }

hdsl2ShdslInvVendorID OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(8))
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Vendor ID as reported in an Inventory Response message."
   ::= { hdsl2ShdslInventoryEntry 2 }

hdsl2ShdslInvVendorModelNumber OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(12))
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Vendor model number as reported in an Inventory Response
      message."
   ::= { hdsl2ShdslInventoryEntry 3 }

hdsl2ShdslInvVendorSerialNumber OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(12))
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Vendor serial number as reported in an Inventory Response
      message."
   ::= { hdsl2ShdslInventoryEntry 4 }

hdsl2ShdslInvVendorEOCSoftwareVersion OBJECT-TYPE
   SYNTAX      Integer32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Vendor EOC version as reported in a Discovery Response
      message."
   ::= { hdsl2ShdslInventoryEntry 5 }

hdsl2ShdslInvStandardVersion OBJECT-TYPE

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   SYNTAX      Integer32
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Version of the HDSL2/SHDSL standard implemented, as reported
      in an Inventory Response message."
   ::= { hdsl2ShdslInventoryEntry 6 }

hdsl2ShdslInvVendorListNumber OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(3))
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Vendor list number as reported in an Inventory Response
      message."
   ::= { hdsl2ShdslInventoryEntry 7 }

hdsl2ShdslInvVendorIssueNumber OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(2))
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Vendor issue number as reported in an Inventory Response
      message."
   ::= { hdsl2ShdslInventoryEntry 8 }

hdsl2ShdslInvVendorSoftwareVersion OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(6))
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Vendor software version as reported in an Inventory Response
      message."
   ::= { hdsl2ShdslInventoryEntry 9 }

hdsl2ShdslInvEquipmentCode OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(10))
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Equipment code conforming to ANSI T1.213, Coded Identification
      of Equipment Entities."
   ::= { hdsl2ShdslInventoryEntry 10 }

hdsl2ShdslInvVendorOther OBJECT-TYPE
   SYNTAX      OCTET STRING(SIZE(12))
   MAX-ACCESS  read-only
   STATUS      current

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   DESCRIPTION
     "Other vendor information as reported in an Inventory Response
      message."
   ::= { hdsl2ShdslInventoryEntry 11 }

hdsl2ShdslInvTransmissionModeCapability OBJECT-TYPE
   SYNTAX      Hdsl2ShdslTransmissionModeType
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Contains the transmission mode capability of the SHDSL unit."
   ::= { hdsl2ShdslInventoryEntry 12 }

-- Segment Endpoint Configuration Group
--

hdsl2ShdslEndpointConfTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF Hdsl2ShdslEndpointConfEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table supports configuration parameters for segment
      endpoints in a HDSL2/SHDSL line.  As this table is indexed
      by ifIndex, it MUST be maintained in a persistent manner."
   ::= { hdsl2ShdslMibObjects 4 }

hdsl2ShdslEndpointConfEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslEndpointConfEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2ShdslEndpointConfTable.  Each entry
      represents a single segment endpoint in a HDSL2/SHDSL line.
      It is indexed by the ifIndex of the HDSL2/SHDSL line, the
      UnitId of the associated unit, the side of the unit, and the
      wire-pair of the associated modem."
   INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
           hdsl2ShdslEndpointWirePair}
   ::= { hdsl2ShdslEndpointConfTable 1 }

Hdsl2ShdslEndpointConfEntry ::=
   SEQUENCE
   {
   hdsl2ShdslEndpointSide                   Hdsl2ShdslUnitSide,
   hdsl2ShdslEndpointWirePair               Hdsl2ShdslWirePair,
   hdsl2ShdslEndpointAlarmConfProfile       SnmpAdminString
   }

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hdsl2ShdslEndpointSide OBJECT-TYPE
   SYNTAX      Hdsl2ShdslUnitSide
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "The side of the unit associated with this segment endpoint -
      Network/Customer side - as per the Hdsl2ShdslUnitSide textual
      convention."
   ::= { hdsl2ShdslEndpointConfEntry 1 }

hdsl2ShdslEndpointWirePair OBJECT-TYPE
   SYNTAX      Hdsl2ShdslWirePair
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "The wire-pair of the modem associated with this segment
      endpoint as per the Hdsl2ShdslWirePair textual convention."
   ::= { hdsl2ShdslEndpointConfEntry 2 }

hdsl2ShdslEndpointAlarmConfProfile OBJECT-TYPE
   SYNTAX      SnmpAdminString (SIZE(0..32))
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object configures the alarm threshold values to be used
      for this segment endpoint.  The values are obtained from the
      alarm configuration profile referenced by this object.  The
      value of this object is the index of the referenced profile in
      the hdsl2ShdslEndpointAlarmConfProfileTable, or NULL (a zero-
      length SnmpAdminString).  If the value is a zero-length
      SnmpAdminString, the endpoint uses the default Alarm
      Configuration Profile for the associated span as per the
      hdsl2ShdslSpanConfAlarmProfile object in the
      hdsl2ShdslSpanConfTable.  The default value of this object is
      a zero-length SnmpAdminString.

      Any attempt to set this object to a value that is not the value
      of the index for an active entry in the profile table,
      hdsl2ShdslEndpointAlarmConfProfileTable, MUST be rejected."
   ::= { hdsl2ShdslEndpointConfEntry 3 }

-- Segment Endpoint Current Status/Performance Group
--

hdsl2ShdslEndpointCurrTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF Hdsl2ShdslEndpointCurrEntry
   MAX-ACCESS  not-accessible
   STATUS      current

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   DESCRIPTION
     "This table contains current status and performance information
      for segment endpoints in HDSL2/SHDSL Lines.  As with other
      tables in this MIB indexed by ifIndex, entries in this table
      MUST be maintained in a persistent manner."
   ::= { hdsl2ShdslMibObjects 5 }

hdsl2ShdslEndpointCurrEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslEndpointCurrEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2ShdslEndpointCurrTable.  Each entry
     contains status and performance information relating to a
     single segment endpoint.  It is indexed by the ifIndex of the
     HDSL2/SHDSL line, the UnitId of the associated unit, the side
     of the unit, and the wire-pair of the associated modem."
   INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
           hdsl2ShdslEndpointWirePair }
   ::= { hdsl2ShdslEndpointCurrTable 1 }

Hdsl2ShdslEndpointCurrEntry ::=
   SEQUENCE
   {
   hdsl2ShdslEndpointCurrAtn                Integer32,
   hdsl2ShdslEndpointCurrSnrMgn             Integer32,
   hdsl2ShdslEndpointCurrStatus             BITS,
   hdsl2ShdslEndpointES                     Counter32,
   hdsl2ShdslEndpointSES                    Counter32,
   hdsl2ShdslEndpointCRCanomalies           Counter32,
   hdsl2ShdslEndpointLOSWS                  Counter32,
   hdsl2ShdslEndpointUAS                    Counter32,
   hdsl2ShdslEndpointCurr15MinTimeElapsed
                             Hdsl2ShdslPerfTimeElapsed,
   hdsl2ShdslEndpointCurr15MinES            PerfCurrentCount,
   hdsl2ShdslEndpointCurr15MinSES           PerfCurrentCount,
   hdsl2ShdslEndpointCurr15MinCRCanomalies  PerfCurrentCount,
   hdsl2ShdslEndpointCurr15MinLOSWS         PerfCurrentCount,
   hdsl2ShdslEndpointCurr15MinUAS           PerfCurrentCount,
   hdsl2ShdslEndpointCurr1DayTimeElapsed
                             Hdsl2ShdslPerfTimeElapsed,
   hdsl2ShdslEndpointCurr1DayES
                             Hdsl2ShdslPerfCurrDayCount,
   hdsl2ShdslEndpointCurr1DaySES
                             Hdsl2ShdslPerfCurrDayCount,
   hdsl2ShdslEndpointCurr1DayCRCanomalies
                             Hdsl2ShdslPerfCurrDayCount,
   hdsl2ShdslEndpointCurr1DayLOSWS

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                             Hdsl2ShdslPerfCurrDayCount,
   hdsl2ShdslEndpointCurr1DayUAS
                             Hdsl2ShdslPerfCurrDayCount
   }

hdsl2ShdslEndpointCurrAtn OBJECT-TYPE
   SYNTAX      Integer32(-127..128)
   UNITS       "dB"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "The current loop attenuation for this endpoint as reported in
      a Network or Customer Side Performance Status message."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 1 }

hdsl2ShdslEndpointCurrSnrMgn OBJECT-TYPE
   SYNTAX      Integer32(-127..128)
   UNITS       "dB"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "The current SNR margin for this endpoint as reported in a
      Status Response/SNR message."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 2 }

hdsl2ShdslEndpointCurrStatus OBJECT-TYPE
   SYNTAX      BITS
               {
               noDefect(0),
               powerBackoff(1),
               deviceFault(2),
               dcContinuityFault(3),
               snrMarginAlarm(4),
               loopAttenuationAlarm(5),
               loswFailureAlarm(6),
               configInitFailure(7),
               protocolInitFailure(8),
               noNeighborPresent(9),
               loopbackActive(10)
               }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Contains the current state of the endpoint.  This is a
     bitmap of possible conditions. The various bit positions
     are:

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     noDefect               There no defects on the line.

     powerBackoff           Indicates enhanced Power Backoff.

     deviceFault            Indicates a vendor-dependent
                            diagnostic or self-test fault
                            has been detected.

     dcContinuityFault      Indicates vendor-dependent
                            conditions that interfere with
                            span powering such as short and
                            open circuits.

     snrMarginAlarm         Indicates that the SNR margin
                            has dropped below the alarm threshold.

     loopAttenuationAlarm   Indicates that the loop attenuation
                            exceeds the alarm threshold.

     loswFailureAlarm       Indicates a forward LOSW alarm.

     configInitFailure      Endpoint failure during initialization
                            due to paired endpoint not able to
                            support requested configuration.

     protocolInitFailure    Endpoint failure during initialization
                            due to incompatible protocol used by
                            the paired endpoint.

     noNeighborPresent      Endpoint failure during initialization
                            due to no activation sequence detected
                            from paired endpoint.

     loopbackActive         A loopback is currently active at this
                            Segment Endpoint.

     This is intended to supplement ifOperStatus.  Note that there
     is a 1-1 relationship between the status bits defined in this
     object and the notification thresholds defined elsewhere in
     this MIB."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 3 }

hdsl2ShdslEndpointES OBJECT-TYPE
   SYNTAX      Counter32
   UNITS       "seconds"
   MAX-ACCESS  read-only
   STATUS      current

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   DESCRIPTION
     "Count of Errored Seconds (ES) on this endpoint since the xU
      was last restarted."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 4 }

hdsl2ShdslEndpointSES OBJECT-TYPE
   SYNTAX       Counter32
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Severely Errored Seconds (SES) on this endpoint
      since the xU was last restarted."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 5 }

hdsl2ShdslEndpointCRCanomalies OBJECT-TYPE
   SYNTAX       Counter32
   UNITS        "detected CRC Anomalies"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of CRC anomalies on this endpoint since the xU was
      last restarted."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 6 }

hdsl2ShdslEndpointLOSWS OBJECT-TYPE
   SYNTAX       Counter32
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Loss of Sync Word (LOSW) Seconds on this endpoint
      since the xU was last restarted."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 7 }

hdsl2ShdslEndpointUAS OBJECT-TYPE
   SYNTAX       Counter32
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Unavailable Seconds (UAS) on this endpoint since
      the xU was last restarted."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"

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   ::= { hdsl2ShdslEndpointCurrEntry 8 }

hdsl2ShdslEndpointCurr15MinTimeElapsed OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfTimeElapsed
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Total elapsed seconds in the current 15-minute interval."
   ::= { hdsl2ShdslEndpointCurrEntry 9 }

hdsl2ShdslEndpointCurr15MinES OBJECT-TYPE
   SYNTAX       PerfCurrentCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Errored Seconds (ES) in the current 15-minute
      interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 10 }

hdsl2ShdslEndpointCurr15MinSES OBJECT-TYPE
   SYNTAX       PerfCurrentCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Severely Errored Seconds (SES) in the current
      15-minute interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 11 }

hdsl2ShdslEndpointCurr15MinCRCanomalies OBJECT-TYPE
   SYNTAX       PerfCurrentCount
   UNITS        "detected CRC Anomalies"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of CRC anomalies in the current 15-minute interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 12 }

hdsl2ShdslEndpointCurr15MinLOSWS OBJECT-TYPE
   SYNTAX       PerfCurrentCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current

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   DESCRIPTION
     "Count of Loss of Sync Word (LOSW) Seconds in the current
      15-minute interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 13 }

hdsl2ShdslEndpointCurr15MinUAS OBJECT-TYPE
   SYNTAX       PerfCurrentCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Unavailable Seconds (UAS) in the current 15-minute
      interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 14 }

hdsl2ShdslEndpointCurr1DayTimeElapsed OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfTimeElapsed
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Number of seconds that have elapsed since the beginning of
      the current 1-day interval."
   ::= { hdsl2ShdslEndpointCurrEntry 15 }

hdsl2ShdslEndpointCurr1DayES OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfCurrDayCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Errored Seconds (ES) during the current day as
      measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 16 }

hdsl2ShdslEndpointCurr1DaySES OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfCurrDayCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Severely Errored Seconds (SES) during the current
      day as measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 17 }

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hdsl2ShdslEndpointCurr1DayCRCanomalies OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfCurrDayCount
   UNITS        "detected CRC Anomalies"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of CRC anomalies during the current day as measured
      by hdsl2ShdslEndpointCurr1DayTimeElapsed."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 18 }

hdsl2ShdslEndpointCurr1DayLOSWS OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfCurrDayCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Loss of Sync Word (LOSW) Seconds during the current
      day as measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 19 }

hdsl2ShdslEndpointCurr1DayUAS OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfCurrDayCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Unavailable Seconds (UAS) during the current day as
      measured by hdsl2ShdslEndpointCurr1DayTimeElapsed."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2ShdslEndpointCurrEntry 20 }

-- Segment Endpoint 15-Minute Interval Status/Performance Group
--

hdsl2Shdsl15MinIntervalTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF Hdsl2Shdsl15MinIntervalEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table provides one row for each HDSL2/SHDSL endpoint
      performance data collection interval.  This table contains
      live data from equipment.  As such, it is NOT persistent."
   ::= { hdsl2ShdslMibObjects 6 }

hdsl2Shdsl15MinIntervalEntry OBJECT-TYPE
   SYNTAX      Hdsl2Shdsl15MinIntervalEntry

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   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2Shdsl15MinIntervalTable."
   INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
           hdsl2ShdslEndpointWirePair, hdsl2Shdsl15MinIntervalNumber}
   ::= { hdsl2Shdsl15MinIntervalTable 1 }

Hdsl2Shdsl15MinIntervalEntry ::=
   SEQUENCE
   {
   hdsl2Shdsl15MinIntervalNumber         Unsigned32,
   hdsl2Shdsl15MinIntervalES             PerfIntervalCount,
   hdsl2Shdsl15MinIntervalSES            PerfIntervalCount,
   hdsl2Shdsl15MinIntervalCRCanomalies   PerfIntervalCount,
   hdsl2Shdsl15MinIntervalLOSWS          PerfIntervalCount,
   hdsl2Shdsl15MinIntervalUAS            PerfIntervalCount
   }

hdsl2Shdsl15MinIntervalNumber OBJECT-TYPE
   SYNTAX      Unsigned32(1..96)
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "Performance Data Interval number. 1 is the the most recent
      previous interval; interval 96 is 24 hours ago. Intervals
      2..96 are optional."
   ::= { hdsl2Shdsl15MinIntervalEntry 1 }

hdsl2Shdsl15MinIntervalES OBJECT-TYPE
   SYNTAX      PerfIntervalCount
   UNITS       "seconds"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Count of Errored Seconds (ES) during the interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl15MinIntervalEntry 2 }

hdsl2Shdsl15MinIntervalSES OBJECT-TYPE
   SYNTAX      PerfIntervalCount
   UNITS       "seconds"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Count of Severely Errored Seconds (SES) during the interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl15MinIntervalEntry 3 }

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hdsl2Shdsl15MinIntervalCRCanomalies OBJECT-TYPE
   SYNTAX      PerfIntervalCount
   UNITS       "detected CRC Anomalies"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Count of CRC anomalies during the interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl15MinIntervalEntry 4 }

hdsl2Shdsl15MinIntervalLOSWS OBJECT-TYPE
   SYNTAX      PerfIntervalCount
   UNITS       "seconds"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Count of Loss of Sync Word (LOSW) Seconds during the
      interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl15MinIntervalEntry 5 }

hdsl2Shdsl15MinIntervalUAS OBJECT-TYPE
   SYNTAX      PerfIntervalCount
   UNITS       "seconds"
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "Count of Unavailable Seconds (UAS) during the interval."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl15MinIntervalEntry 6 }

-- Segment Endpoint 1-Day Interval Status/Performance Group
--

hdsl2Shdsl1DayIntervalTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF Hdsl2Shdsl1DayIntervalEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table provides one row for each HDSL2/SHDSL endpoint
      performance data collection interval.  This table contains
      live data from equipment.  As such, it is NOT persistent."
   ::= { hdsl2ShdslMibObjects 7 }

hdsl2Shdsl1DayIntervalEntry OBJECT-TYPE
   SYNTAX      Hdsl2Shdsl1DayIntervalEntry
   MAX-ACCESS  not-accessible
   STATUS      current

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   DESCRIPTION
     "An entry in the hdsl2Shdsl1DayIntervalTable."
   INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide,
           hdsl2ShdslEndpointWirePair, hdsl2Shdsl1DayIntervalNumber }
   ::= { hdsl2Shdsl1DayIntervalTable 1 }

Hdsl2Shdsl1DayIntervalEntry ::=
   SEQUENCE
   {
   hdsl2Shdsl1DayIntervalNumber         Unsigned32,
   hdsl2Shdsl1DayIntervalMoniSecs       Hdsl2ShdslPerfTimeElapsed,
   hdsl2Shdsl1DayIntervalES             Hdsl2Shdsl1DayIntervalCount,
   hdsl2Shdsl1DayIntervalSES            Hdsl2Shdsl1DayIntervalCount,
   hdsl2Shdsl1DayIntervalCRCanomalies   Hdsl2Shdsl1DayIntervalCount,
   hdsl2Shdsl1DayIntervalLOSWS          Hdsl2Shdsl1DayIntervalCount,
   hdsl2Shdsl1DayIntervalUAS            Hdsl2Shdsl1DayIntervalCount
   }

hdsl2Shdsl1DayIntervalNumber OBJECT-TYPE
   SYNTAX      Unsigned32(1..30)
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "History Data Interval number. Interval 1 is the the most
      recent previous day; interval 30 is 30 days ago. Intervals
      2..30 are optional."
   ::= { hdsl2Shdsl1DayIntervalEntry 1 }

hdsl2Shdsl1DayIntervalMoniSecs OBJECT-TYPE
   SYNTAX       Hdsl2ShdslPerfTimeElapsed
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "The amount of time in the 1-day interval over which the
      performance monitoring information is actually counted.
      This value will be the same as the interval duration except
      in a situation where performance monitoring data could not
      be collected for any reason."
   ::= { hdsl2Shdsl1DayIntervalEntry 2 }

hdsl2Shdsl1DayIntervalES OBJECT-TYPE
   SYNTAX       Hdsl2Shdsl1DayIntervalCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Errored Seconds (ES) during the 1-day interval as

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      measured by hdsl2Shdsl1DayIntervalMoniSecs."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl1DayIntervalEntry 3 }

hdsl2Shdsl1DayIntervalSES OBJECT-TYPE
   SYNTAX       Hdsl2Shdsl1DayIntervalCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Severely Errored Seconds (SES) during the 1-day
      interval as measured by hdsl2Shdsl1DayIntervalMoniSecs."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl1DayIntervalEntry 4 }

hdsl2Shdsl1DayIntervalCRCanomalies OBJECT-TYPE
   SYNTAX       Hdsl2Shdsl1DayIntervalCount
   UNITS        "detected CRC Anomalies"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of CRC anomalies during the 1-day interval as
      measured by hdsl2Shdsl1DayIntervalMoniSecs."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl1DayIntervalEntry 5 }

hdsl2Shdsl1DayIntervalLOSWS OBJECT-TYPE
   SYNTAX       Hdsl2Shdsl1DayIntervalCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Loss of Sync Word (LOSW) Seconds during the 1-day
      interval as measured by hdsl2Shdsl1DayIntervalMoniSecs."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl1DayIntervalEntry 6 }

hdsl2Shdsl1DayIntervalUAS OBJECT-TYPE
   SYNTAX       Hdsl2Shdsl1DayIntervalCount
   UNITS        "seconds"
   MAX-ACCESS   read-only
   STATUS       current
   DESCRIPTION
     "Count of Unavailable Seconds (UAS) during the 1-day interval
      as measured by hdsl2Shdsl1DayIntervalMoniSecs."
   REFERENCE   "HDSL2 Section 7.5.3.7; SHDSL Section 9.5.5.7"
   ::= { hdsl2Shdsl1DayIntervalEntry 7 }

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-- Maintenance Group
--

hdsl2ShdslEndpointMaintTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF Hdsl2ShdslEndpointMaintEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table supports maintenance operations (eg. loopbacks)
      to be performed on HDSL2/SHDSL segment endpoints.  This table
      contains live data from equipment.  As such, it is NOT
      persistent."
   ::= { hdsl2ShdslMibObjects 8 }

hdsl2ShdslEndpointMaintEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslEndpointMaintEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2ShdslEndpointMaintTable.  Each entry
      corresponds to a single segment endpoint, and is indexed by the
      ifIndex of the HDSL2/SHDSL line, the UnitId of the associated
      unit and the side of the unit."
   INDEX { ifIndex, hdsl2ShdslInvIndex, hdsl2ShdslEndpointSide }
   ::= { hdsl2ShdslEndpointMaintTable 1 }

Hdsl2ShdslEndpointMaintEntry ::=
   SEQUENCE
   {
   hdsl2ShdslMaintLoopbackConfig      INTEGER,
   hdsl2ShdslMaintTipRingReversal     INTEGER,
   hdsl2ShdslMaintPowerBackOff        INTEGER,
   hdsl2ShdslMaintSoftRestart         INTEGER
   }

hdsl2ShdslMaintLoopbackConfig OBJECT-TYPE
   SYNTAX      INTEGER
               {
               noLoopback(1),
               normalLoopback(2),
               specialLoopback(3)
               }
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object controls configuration of loopbacks for the
      associated segment endpoint.  The status of the loopback
      is obtained via the hdsl2ShdslEndpointCurrStatus object."

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   ::= { hdsl2ShdslEndpointMaintEntry 1 }

hdsl2ShdslMaintTipRingReversal OBJECT-TYPE
   SYNTAX      INTEGER
               {
               normal(1),
               reversed(2)
               }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates the state of the tip/ring pair at the
      associated segment endpoint."
   ::= { hdsl2ShdslEndpointMaintEntry 2 }

hdsl2ShdslMaintPowerBackOff OBJECT-TYPE
   SYNTAX      INTEGER
               {
               default(1),
               enhanced(2)
               }
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object configures the receiver at the associated
      segment endpoint to operate in default or enhanced power
      backoff mode."
   ::= { hdsl2ShdslEndpointMaintEntry 3 }

hdsl2ShdslMaintSoftRestart OBJECT-TYPE
   SYNTAX      INTEGER
               {
               ready(1),
               restart(2)
               }
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object enables the manager to trigger a soft restart
      of the modem at the associated segment endpoint.  The manager
      may only set this object to the 'restart(2)' value, which
      initiates a restart.  The agent will perform a restart after
      approximately 5 seconds.  Following the 5 second period, the
      agent will restore the object to the 'ready(1)' state."
   ::= { hdsl2ShdslEndpointMaintEntry 4 }

hdsl2ShdslUnitMaintTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF Hdsl2ShdslUnitMaintEntry

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   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table supports maintenance operations for units in a
      HDSL2/SHDSL line.  Entries in this table MUST be maintained
      in a persistent manner."
   ::= { hdsl2ShdslMibObjects 9 }

hdsl2ShdslUnitMaintEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslUnitMaintEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "An entry in the hdsl2ShdslUnitMaintTable.  Each entry
      corresponds to a single unit, and is indexed by the ifIndex
      of the HDSL2/SHDSL line and the UnitId of the associated
      unit."
   INDEX { ifIndex, hdsl2ShdslInvIndex  }
   ::= { hdsl2ShdslUnitMaintTable 1 }

Hdsl2ShdslUnitMaintEntry ::=
   SEQUENCE
   {
   hdsl2ShdslMaintLoopbackTimeout     Integer32,
   hdsl2ShdslMaintUnitPowerSource     INTEGER
   }

hdsl2ShdslMaintLoopbackTimeout OBJECT-TYPE
   SYNTAX      Integer32(0..4095)
   UNITS       "minutes"
   MAX-ACCESS  read-write
   STATUS      current
   DESCRIPTION
     "This object configures the timeout value for loopbacks
      initiated at segments endpoints contained in the associated
      unit.  A value of 0 disables the timeout."
   ::= { hdsl2ShdslUnitMaintEntry 1 }

hdsl2ShdslMaintUnitPowerSource OBJECT-TYPE
   SYNTAX      INTEGER
               {
               local(1),
               span(2)
               }
   MAX-ACCESS  read-only
   STATUS      current
   DESCRIPTION
     "This object indicates the DC power source being used by the

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      associated unit."
   ::= { hdsl2ShdslUnitMaintEntry 2 }

-- Span Configuration Profile Group
--

hdsl2ShdslSpanConfProfileTable OBJECT-TYPE
   SYNTAX      SEQUENCE OF Hdsl2ShdslSpanConfProfileEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This table supports definitions of span configuration
      profiles for SHDSL lines.  HDSL2 does not support these
      configuration options.  This table MUST be maintained
      in a persistent manner."
   ::= { hdsl2ShdslMibObjects 10 }

hdsl2ShdslSpanConfProfileEntry OBJECT-TYPE
   SYNTAX      Hdsl2ShdslSpanConfProfileEntry
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "Each entry corresponds to a single span configuration
      profile.  Each profile contains a set of span configuration
      parameters.  The configuration parameters in a profile are
      applied to those lines referencing that profile (see the
      hdsl2ShdslSpanConfProfile object).  Profiles may be
      created/deleted using the row creation/deletion mechanism
      via hdsl2ShdslSpanConfProfileRowStatus.  If an active
      entry is referenced in hdsl2ShdslSpanConfProfile, the
      entry MUST remain active until all references are removed."
   INDEX { IMPLIED hdsl2ShdslSpanConfProfileName }
   ::= { hdsl2ShdslSpanConfProfileTable 1 }

Hdsl2ShdslSpanConfProfileEntry ::=
   SEQUENCE
   {
   hdsl2ShdslSpanConfProfileName               SnmpAdminString,
   hdsl2ShdslSpanConfWireInterface             INTEGER,
   hdsl2ShdslSpanConfMinLineRate               Unsigned32,
   hdsl2ShdslSpanConfMaxLineRate               Unsigned32,
   hdsl2ShdslSpanConfPSD                       INTEGER,
   hdsl2ShdslSpanConfTransmissionMode
                                   Hdsl2ShdslTransmissionModeType,
   hdsl2ShdslSpanConfRemoteEnabled             INTEGER,
   hdsl2ShdslSpanConfPowerFeeding              INTEGER,
   hdsl2ShdslSpanConfCurrCondTargetMarginDown  Integer32,
   hdsl2ShdslSpanConfWorstCaseTargetMarginDown Integer32,

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   hdsl2ShdslSpanConfCurrCondTargetMarginUp    Integer32,
   hdsl2ShdslSpanConfWorstCaseTargetMarginUp   Integer32,
   hdsl2ShdslSpanConfUsedTargetMargins         BITS,
   hdsl2ShdslSpanConfReferenceClock
                                   Hdsl2ShdslClockReferenceType,
   hdsl2ShdslSpanConfLineProbeEnable           INTEGER,
   hdsl2ShdslSpanConfProfileRowStatus          RowStatus
   }

hdsl2ShdslSpanConfProfileName OBJECT-TYPE
   SYNTAX      SnmpAdminString (SIZE(1..32))
   MAX-ACCESS  not-accessible
   STATUS      current
   DESCRIPTION
     "This object is the unique index associated with this profile.
      Entries in this table are referenced via the object
      hdsl2ShdslSpanConfProfile in Hdsl2ShdslSpanConfEntry."
   ::= { hdsl2ShdslSpanConfProfileEntry 1 }

hdsl2ShdslSpanConfWireInterface OBJECT-TYPE
   SYNTAX      INTEGER
               {
               twoWire(1),
               fourWire(2)
               }
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object configures the two-wire or optional four-wire
      operation for SHDSL Lines."
   DEFVAL      { twoWire }
   ::= { hdsl2ShdslSpanConfProfileEntry 2 }

hdsl2ShdslSpanConfMinLineRate OBJECT-TYPE
   SYNTAX      Unsigned32(0..4112000)
   UNITS       "bps"
   MAX-ACCESS  read-create
   STATUS      current
   DESCRIPTION
     "This object configures the minimum transmission rate for
      the associated SHDSL Line in bits-per-second (bps).  If
      the minimum line rate equals the maximum line rate
      (hdsl2ShdslSpanMaxLineRate), the line rate is considered
      'fixed'.  If the minimum line rate is less than the maximum
      line rate, the line rate is considered 'rate-adaptive'."
   DEFVAL      { 1552000 }
   ::= { hdsl2ShdslSpanConfProfileEntry 3 }


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