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RFC 4805

Definitions of Managed Objects for the DS1, J1, E1, DS2, and E2 Interface Types

Pages: 94
Proposed Standard
Obsoletes:  3895
Part 3 of 4 – Pages 44 to 76
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Top   ToC   RFC4805 - Page 44   prevText
   dsx1TotalUASs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Unavailable Seconds encountered by
               a DS1 interface in the previous 24-hour interval.
               Invalid 15-minute intervals count as 0."
        ::= { dsx1TotalEntry 5 }

   dsx1TotalCSSs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Controlled Slip Seconds encountered
               by a DS1 interface in the previous 24-hour
               interval.  Invalid 15-minute intervals count as
               0."
        ::= { dsx1TotalEntry 6 }

   dsx1TotalPCVs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Path Coding Violations encountered
               by a DS1 interface in the previous 24-hour
               interval.  Invalid 15-minute intervals count as
               0."
        ::= { dsx1TotalEntry 7 }

   dsx1TotalLESs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Line Errored Seconds encountered by
               a DS1 interface in the previous 24-hour interval.
               Invalid 15-minute intervals count as 0."
        ::= { dsx1TotalEntry 8 }

   dsx1TotalBESs OBJECT-TYPE
        SYNTAX PerfTotalCount
        MAX-ACCESS read-only
        STATUS current
        DESCRIPTION
               "The number of Bursty Errored Seconds (BESs)
Top   ToC   RFC4805 - Page 45
               encountered by a DS1 interface in the previous
               24-hour interval.  Invalid 15-minute intervals count
               as 0."
        ::= { dsx1TotalEntry 9 }

   dsx1TotalDMs OBJECT-TYPE
        SYNTAX PerfTotalCount
        MAX-ACCESS read-only
        STATUS deprecated
        DESCRIPTION
               "The number of Degraded Minutes (DMs) encountered
               by a DS1 interface in the previous 24-hour
               interval.  Invalid 15-minute intervals count as
               0."
        ::= { dsx1TotalEntry 10 }

   dsx1TotalLCVs OBJECT-TYPE
        SYNTAX PerfTotalCount
        MAX-ACCESS read-only
        STATUS current
        DESCRIPTION
               "The number of Line Coding Violations (LCVs)
               encountered by a DS1 interface in the current
               15-minute interval.  Invalid 15-minute intervals
               count as 0."
        ::= { dsx1TotalEntry 11 }

   -- The DS1 Channel Table

   dsx1ChanMappingTable OBJECT-TYPE
        SYNTAX  SEQUENCE OF Dsx1ChanMappingEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "The DS1 Channel Mapping table.  This table maps a
               DS1 channel number on a particular DS3 into an
               ifIndex.  In the presence of DS2s, this table can
               be used to map a DS2 channel number on a DS3 into
               an ifIndex, or used to map a DS1 channel number on
               a DS2 into an ifIndex."
        ::= { ds1 16 }

   dsx1ChanMappingEntry OBJECT-TYPE
        SYNTAX  Dsx1ChanMappingEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "An entry in the DS1 Channel Mapping table.  There
Top   ToC   RFC4805 - Page 46
               is an entry in this table corresponding to each
               DS1 ifEntry within any interface that is
               channelized to the individual DS1 ifEntry level.

               This table is intended to facilitate mapping from
               channelized interface / channel number to DS1
               ifEntry (e.g., mapping (DS3 ifIndex, DS1 channel
               number) -> ifIndex).

               While this table provides information that can
               also be found in the ifStackTable and
               dsx1ConfigTable, it provides this same information
               with a single table lookup, rather than by walking
               the ifStackTable to find the various constituent
               DS1 ifTable entries, and testing various
               dsx1ConfigTable entries to check for the entry
               with the applicable DS1 channel number."
        INDEX   { ifIndex, dsx1Ds1ChannelNumber }
        ::= { dsx1ChanMappingTable 1 }

   Dsx1ChanMappingEntry ::=
        SEQUENCE {
            dsx1ChanMappedIfIndex  InterfaceIndex
   }

   dsx1ChanMappedIfIndex OBJECT-TYPE
        SYNTAX  InterfaceIndex
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "This object indicates the ifIndex value assigned
               by the agent for the individual DS1 ifEntry that
               corresponds to the given DS1 channel number
               (specified by the INDEX element
               dsx1Ds1ChannelNumber) of the given channelized
               interface (specified by INDEX element ifIndex)."
        ::= { dsx1ChanMappingEntry 1 }

   -- The DS1 Far End Current Table

   dsx1FarEndCurrentTable OBJECT-TYPE
        SYNTAX  SEQUENCE OF Dsx1FarEndCurrentEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "The DS1 Far End Current table contains various
               statistics being collected for the current
               15-minute interval.  The statistics are collected
Top   ToC   RFC4805 - Page 47
               from the far-end messages on the Facilities Data
               Link.  The definitions are the same as described
               for the near-end information."
        ::= { ds1 10 }

   dsx1FarEndCurrentEntry OBJECT-TYPE
        SYNTAX  Dsx1FarEndCurrentEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "An entry in the DS1 Far End Current table."
        INDEX   { dsx1FarEndCurrentIndex }
        ::= { dsx1FarEndCurrentTable 1 }

   Dsx1FarEndCurrentEntry ::=
        SEQUENCE {
            dsx1FarEndCurrentIndex      InterfaceIndex,
            dsx1FarEndTimeElapsed       INTEGER,
            dsx1FarEndValidIntervals    INTEGER,
            dsx1FarEndCurrentESs        PerfCurrentCount,
            dsx1FarEndCurrentSESs       PerfCurrentCount,
            dsx1FarEndCurrentSEFSs      PerfCurrentCount,
            dsx1FarEndCurrentUASs       PerfCurrentCount,
            dsx1FarEndCurrentCSSs       PerfCurrentCount,
            dsx1FarEndCurrentLESs       PerfCurrentCount,
            dsx1FarEndCurrentPCVs       PerfCurrentCount,
            dsx1FarEndCurrentBESs       PerfCurrentCount,
            dsx1FarEndCurrentDMs        PerfCurrentCount,
            dsx1FarEndInvalidIntervals  INTEGER
   }

   dsx1FarEndCurrentIndex OBJECT-TYPE
        SYNTAX  InterfaceIndex
        MAX-ACCESS  read-only  -- read-only since originally an
                               -- SMIv1 index
        STATUS  current
        DESCRIPTION
               "The index value that uniquely identifies the DS1
               interface to which this entry is applicable.  The
               interface identified by a particular value of this
               index is identical to the interface identified by
               the same value of dsx1LineIndex."
        ::= { dsx1FarEndCurrentEntry 1 }

   dsx1FarEndTimeElapsed OBJECT-TYPE
        SYNTAX  INTEGER (0..899)
        MAX-ACCESS  read-only
        STATUS  current
Top   ToC   RFC4805 - Page 48
        DESCRIPTION
               "The number of seconds that have elapsed since the
               beginning of the far-end current error-measurement
               period.  If, for some reason, such as an adjustment
               in the system's time-of-day clock, the current
               interval exceeds the maximum value, the agent will
               return the maximum value."
        ::= { dsx1FarEndCurrentEntry 2 }

   dsx1FarEndValidIntervals OBJECT-TYPE
        SYNTAX  INTEGER (0..96)
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of previous far-end intervals for
               which data was collected.  The value will be 96
               unless the interface was brought online within the
               last 24 hours, in which case the value will be the
               number of complete 15-minute far-end intervals
               since the interface has been online.  In the case
               where the agent is a proxy, it is possible that
               some intervals are unavailable.  In this case,
               this interval is the maximum interval number for
               which data is available."
        ::= { dsx1FarEndCurrentEntry 3 }

   dsx1FarEndCurrentESs OBJECT-TYPE
        SYNTAX  PerfCurrentCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Errored Seconds."
        ::= { dsx1FarEndCurrentEntry 4 }

   dsx1FarEndCurrentSESs OBJECT-TYPE
        SYNTAX  PerfCurrentCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Severely Errored Seconds."
        ::= { dsx1FarEndCurrentEntry 5 }

   dsx1FarEndCurrentSEFSs OBJECT-TYPE
        SYNTAX  PerfCurrentCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Severely Errored Framing
Top   ToC   RFC4805 - Page 49
               Seconds."
        ::= { dsx1FarEndCurrentEntry 6 }

   dsx1FarEndCurrentUASs OBJECT-TYPE
        SYNTAX  PerfCurrentCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Unavailable Seconds."
        ::= { dsx1FarEndCurrentEntry 7 }

   dsx1FarEndCurrentCSSs OBJECT-TYPE
        SYNTAX  PerfCurrentCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Controlled Slip Seconds."
        ::= { dsx1FarEndCurrentEntry 8 }

   dsx1FarEndCurrentLESs OBJECT-TYPE
        SYNTAX  PerfCurrentCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Line Errored Seconds."
        ::= { dsx1FarEndCurrentEntry 9 }

   dsx1FarEndCurrentPCVs OBJECT-TYPE
        SYNTAX  PerfCurrentCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Path Coding Violations."
        ::= { dsx1FarEndCurrentEntry 10 }

   dsx1FarEndCurrentBESs OBJECT-TYPE
        SYNTAX PerfCurrentCount
        MAX-ACCESS read-only
        STATUS current
        DESCRIPTION
               "The number of Far End Bursty Errored Seconds."
        ::= { dsx1FarEndCurrentEntry 11 }

   dsx1FarEndCurrentDMs OBJECT-TYPE
        SYNTAX PerfCurrentCount
        MAX-ACCESS read-only
        STATUS deprecated
        DESCRIPTION
Top   ToC   RFC4805 - Page 50
               "The number of Far End Degraded Minutes."
        ::= { dsx1FarEndCurrentEntry 12 }

   dsx1FarEndInvalidIntervals OBJECT-TYPE
        SYNTAX  INTEGER (0..96)
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of intervals in the range from 0 to
               dsx1FarEndValidIntervals for which no data is
               available.  This object will typically be zero
               except in cases where the data for some intervals
               is not available (e.g., in proxy situations)."
        ::= { dsx1FarEndCurrentEntry 13 }

   -- The DS1 Far End Interval Table

   dsx1FarEndIntervalTable OBJECT-TYPE
        SYNTAX  SEQUENCE OF Dsx1FarEndIntervalEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "The DS1 Far End Interval table contains various
               statistics collected by each DS1 interface over
               the previous 24 hours of operation.  The past 24
               hours are broken into 96 completed 15-minute
               intervals.  Each row in this table represents one
               such interval (identified by
               dsx1FarEndIntervalNumber) for one specific
               instance (identified by dsx1FarEndIntervalIndex)."
        ::= { ds1 11 }

   dsx1FarEndIntervalEntry OBJECT-TYPE
        SYNTAX  Dsx1FarEndIntervalEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "An entry in the DS1 Far End Interval table."
        INDEX   { dsx1FarEndIntervalIndex,
                  dsx1FarEndIntervalNumber }
        ::= { dsx1FarEndIntervalTable 1 }

   Dsx1FarEndIntervalEntry ::=
        SEQUENCE {
            dsx1FarEndIntervalIndex       InterfaceIndex,
            dsx1FarEndIntervalNumber      INTEGER,
            dsx1FarEndIntervalESs         PerfIntervalCount,
            dsx1FarEndIntervalSESs        PerfIntervalCount,
Top   ToC   RFC4805 - Page 51
            dsx1FarEndIntervalSEFSs       PerfIntervalCount,
            dsx1FarEndIntervalUASs        PerfIntervalCount,
            dsx1FarEndIntervalCSSs        PerfIntervalCount,
            dsx1FarEndIntervalLESs        PerfIntervalCount,
            dsx1FarEndIntervalPCVs        PerfIntervalCount,
            dsx1FarEndIntervalBESs        PerfIntervalCount,
            dsx1FarEndIntervalDMs         PerfIntervalCount,
            dsx1FarEndIntervalValidData   TruthValue
   }

   dsx1FarEndIntervalIndex OBJECT-TYPE
        SYNTAX  InterfaceIndex
        MAX-ACCESS  read-only  -- read-only since originally an
                               -- SMIv1 index
        STATUS  current
        DESCRIPTION
               "The index value that uniquely identifies the DS1
               interface to which this entry is applicable.  The
               interface identified by a particular value of this
               index is identical to the interface identified by
               the same value of dsx1LineIndex."
        ::= { dsx1FarEndIntervalEntry 1 }

   dsx1FarEndIntervalNumber OBJECT-TYPE
        SYNTAX  INTEGER (1..96)
        MAX-ACCESS  read-only  -- read-only since originally an
                               -- SMIv1 index
        STATUS  current
        DESCRIPTION
               "A number between 1 and 96, where 1 is the most
               recently completed 15-minute interval and 96 is
               the 15 minutes interval completed 23 hours and 45
               minutes prior to interval 1."
        ::= { dsx1FarEndIntervalEntry 2 }

   dsx1FarEndIntervalESs OBJECT-TYPE
        SYNTAX  PerfIntervalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Errored Seconds."
        ::= { dsx1FarEndIntervalEntry 3 }

   dsx1FarEndIntervalSESs OBJECT-TYPE
        SYNTAX  PerfIntervalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
Top   ToC   RFC4805 - Page 52
               "The number of Far End Severely Errored Seconds."
        ::= { dsx1FarEndIntervalEntry 4 }

   dsx1FarEndIntervalSEFSs OBJECT-TYPE
        SYNTAX  PerfIntervalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Severely Errored Framing
               Seconds."
        ::= { dsx1FarEndIntervalEntry 5 }

   dsx1FarEndIntervalUASs OBJECT-TYPE
        SYNTAX  PerfIntervalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Unavailable Seconds."
        ::= { dsx1FarEndIntervalEntry 6 }

   dsx1FarEndIntervalCSSs OBJECT-TYPE
        SYNTAX  PerfIntervalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Controlled Slip Seconds."
        ::= { dsx1FarEndIntervalEntry 7 }

   dsx1FarEndIntervalLESs OBJECT-TYPE
        SYNTAX  PerfIntervalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Line Errored Seconds."
        ::= { dsx1FarEndIntervalEntry 8 }

   dsx1FarEndIntervalPCVs OBJECT-TYPE
        SYNTAX  PerfIntervalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Path Coding Violations."
        ::= { dsx1FarEndIntervalEntry 9 }

   dsx1FarEndIntervalBESs OBJECT-TYPE
        SYNTAX PerfIntervalCount
        MAX-ACCESS read-only
        STATUS current
Top   ToC   RFC4805 - Page 53
        DESCRIPTION
               "The number of Far End Bursty Errored Seconds."
        ::= { dsx1FarEndIntervalEntry 10 }

   dsx1FarEndIntervalDMs OBJECT-TYPE
        SYNTAX PerfIntervalCount
        MAX-ACCESS read-only
        STATUS deprecated
        DESCRIPTION
               "The number of Far End Degraded Minutes."
        ::= { dsx1FarEndIntervalEntry 11 }

   dsx1FarEndIntervalValidData OBJECT-TYPE
        SYNTAX TruthValue
        MAX-ACCESS read-only
        STATUS current
        DESCRIPTION
               " This variable indicates if the data for this
               interval is valid."
        ::= { dsx1FarEndIntervalEntry 12 }

   -- The DS1 Far End Total Table

   dsx1FarEndTotalTable OBJECT-TYPE
        SYNTAX  SEQUENCE OF Dsx1FarEndTotalEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "The DS1 Far End Total table contains the
               cumulative sum of the various statistics for the
               24-hour period preceding the current interval."
        ::= { ds1 12 }

   dsx1FarEndTotalEntry OBJECT-TYPE
        SYNTAX  Dsx1FarEndTotalEntry
        MAX-ACCESS  not-accessible
        STATUS  current
        DESCRIPTION
               "An entry in the DS1 Far End Total table."
        INDEX   { dsx1FarEndTotalIndex }
        ::= { dsx1FarEndTotalTable 1 }

   Dsx1FarEndTotalEntry ::=
        SEQUENCE {
            dsx1FarEndTotalIndex          InterfaceIndex,
            dsx1FarEndTotalESs            PerfTotalCount,
            dsx1FarEndTotalSESs           PerfTotalCount,
            dsx1FarEndTotalSEFSs          PerfTotalCount,
Top   ToC   RFC4805 - Page 54
            dsx1FarEndTotalUASs           PerfTotalCount,
            dsx1FarEndTotalCSSs           PerfTotalCount,
            dsx1FarEndTotalLESs           PerfTotalCount,
            dsx1FarEndTotalPCVs           PerfTotalCount,
            dsx1FarEndTotalBESs           PerfTotalCount,
            dsx1FarEndTotalDMs            PerfTotalCount
   }

   dsx1FarEndTotalIndex OBJECT-TYPE
        SYNTAX  InterfaceIndex
        MAX-ACCESS  read-only  -- read-only since originally an
                               -- SMIv1 index
        STATUS  current
        DESCRIPTION
               "The index value that uniquely identifies the DS1
               interface to which this entry is applicable.  The
               interface identified by a particular value of this
               index is identical to the interface identified by
               the same value of dsx1LineIndex."
        ::= { dsx1FarEndTotalEntry 1 }

   dsx1FarEndTotalESs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Errored Seconds encountered
               by a DS1 interface in the previous 24-hour
               interval.  Invalid 15-minute intervals count as
               0."
        ::= { dsx1FarEndTotalEntry 2 }

   dsx1FarEndTotalSESs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Severely Errored Seconds
               encountered by a DS1 interface in the previous
               24-hour interval.  Invalid 15-minute intervals
               count as 0."
        ::= { dsx1FarEndTotalEntry 3 }

   dsx1FarEndTotalSEFSs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
Top   ToC   RFC4805 - Page 55
               "The number of Far End Severely Errored Framing
               Seconds encountered by a DS1 interface in the
               previous 24-hour interval.  Invalid 15-minute
               intervals count as 0."
        ::= { dsx1FarEndTotalEntry 4 }

   dsx1FarEndTotalUASs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Unavailable Seconds encountered by
               a DS1 interface in the previous 24-hour interval.
               Invalid 15-minute intervals count as 0."
        ::= { dsx1FarEndTotalEntry 5 }

   dsx1FarEndTotalCSSs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Controlled Slip Seconds
               encountered by a DS1 interface in the previous
               24-hour interval.  Invalid 15 minute intervals
               count as 0."
        ::= { dsx1FarEndTotalEntry 6 }

   dsx1FarEndTotalLESs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Line Errored Seconds
               encountered by a DS1 interface in the previous
               24-hour interval.  Invalid 15-minute intervals
               count as 0."
        ::= { dsx1FarEndTotalEntry 7 }

   dsx1FarEndTotalPCVs OBJECT-TYPE
        SYNTAX  PerfTotalCount
        MAX-ACCESS  read-only
        STATUS  current
        DESCRIPTION
               "The number of Far End Path Coding Violations
               reported via the far end block error count
               encountered by a DS1 interface in the previous
               24-hour interval.  Invalid 15-minute intervals
               count as 0."
Top   ToC   RFC4805 - Page 56
        ::= { dsx1FarEndTotalEntry 8 }

   dsx1FarEndTotalBESs OBJECT-TYPE
        SYNTAX PerfTotalCount
        MAX-ACCESS read-only
        STATUS current
        DESCRIPTION
               "The number of Bursty Errored Seconds (BESs)
               encountered by a DS1 interface in the previous
               24-hour interval.  Invalid 15-minute intervals
               count as 0."
        ::= { dsx1FarEndTotalEntry 9 }

   dsx1FarEndTotalDMs OBJECT-TYPE
        SYNTAX PerfTotalCount
        MAX-ACCESS read-only
        STATUS deprecated
        DESCRIPTION
               "The number of Degraded Minutes (DMs) encountered
               by a DS1 interface in the previous 24-hour
               interval.  Invalid 15-minute intervals count as
               0."
        ::= { dsx1FarEndTotalEntry 10 }

   -- The DS1 Fractional Table

   dsx1FracTable OBJECT-TYPE
        SYNTAX  SEQUENCE OF Dsx1FracEntry
        MAX-ACCESS  not-accessible
        STATUS  deprecated
        DESCRIPTION
               "This table is deprecated in favor of using
               ifStackTable.

               The table was mandatory for systems dividing a DS1
               into channels containing different data streams
               that are of local interest.  Systems that are
               indifferent to data content, such as CSUs, need
               not implement it.

               The DS1 Fractional table identifies which DS1
               channels associated with a CSU are being used to
               support a logical interface, i.e., an entry in the
               interfaces table from the Internet-standard MIB.

               For example, consider an application managing a
               North American ISDN Primary Rate link whose
               division is a 384-kbit/s H1 _B_ Channel for video,
Top   ToC   RFC4805 - Page 57
               a second H1 for data to a primary routing peer,
               and 12 64-kbit/s H0 _B_ Channels.  Consider that
               some subset of the H0 channels is used for voice
               and the remainder are available for dynamic data
               calls.

               We count a total of 14 interfaces multiplexed onto
               the DS1 interface.  Six DS1 channels (for the sake
               of the example, channels 1..6) are used for video,
               six more (7..11 and 13) are used for data, and the
               remaining 12 are in channels 12 and 14..24.

               Let us further imagine that ifIndex 2 is of type
               DS1 and refers to the DS1 interface and that the
               interfaces layered onto it are numbered 3..16.

               We might describe the allocation of channels, in
               the dsx1FracTable, as follows:
             dsx1FracIfIndex.2. 1 = 3  dsx1FracIfIndex.2.13 = 4
             dsx1FracIfIndex.2. 2 = 3  dsx1FracIfIndex.2.14 = 6
             dsx1FracIfIndex.2. 3 = 3  dsx1FracIfIndex.2.15 = 7
             dsx1FracIfIndex.2. 4 = 3  dsx1FracIfIndex.2.16 = 8
             dsx1FracIfIndex.2. 5 = 3  dsx1FracIfIndex.2.17 = 9
             dsx1FracIfIndex.2. 6 = 3  dsx1FracIfIndex.2.18 = 10
             dsx1FracIfIndex.2. 7 = 4  dsx1FracIfIndex.2.19 = 11
             dsx1FracIfIndex.2. 8 = 4  dsx1FracIfIndex.2.20 = 12
             dsx1FracIfIndex.2. 9 = 4  dsx1FracIfIndex.2.21 = 13
             dsx1FracIfIndex.2.10 = 4  dsx1FracIfIndex.2.22 = 14
             dsx1FracIfIndex.2.11 = 4  dsx1FracIfIndex.2.23 = 15
             dsx1FracIfIndex.2.12 = 5  dsx1FracIfIndex.2.24 = 16

               For North American (DS1) interfaces, there are 24
               legal channels, numbered 1 through 24.

               For G.704 interfaces, there are 31 legal channels,
               numbered 1 through 31.  The channels (1..31)
               correspond directly to the equivalently numbered
               time-slots."
        ::= { ds1 13 }

   dsx1FracEntry OBJECT-TYPE
        SYNTAX  Dsx1FracEntry
        MAX-ACCESS  not-accessible
        STATUS  deprecated
        DESCRIPTION
           "An entry in the DS1 Fractional table."
       INDEX   { dsx1FracIndex, dsx1FracNumber }
       ::= { dsx1FracTable 1 }
Top   ToC   RFC4805 - Page 58
   Dsx1FracEntry ::=
       SEQUENCE {
           dsx1FracIndex        INTEGER,
           dsx1FracNumber       INTEGER,
           dsx1FracIfIndex      INTEGER
       }

   dsx1FracIndex OBJECT-TYPE
       SYNTAX  INTEGER (1..'7fffffff'h)
       MAX-ACCESS  read-only  -- read-only since originally an
                               -- SMIv1 index
       STATUS  deprecated
       DESCRIPTION
          "The index value that uniquely identifies the
          DS1 interface to which this entry is applicable.
          The interface identified by a particular
          value of this index is the same interface as
          identified by the same value as a dsx1LineIndex
          object instance."
      ::= { dsx1FracEntry 1 }

   dsx1FracNumber OBJECT-TYPE
       SYNTAX  INTEGER (1..31)
       MAX-ACCESS  read-only  -- read-only since originally an
                               -- SMIv1 index
       STATUS  deprecated
       DESCRIPTION
          "The channel number for this entry."
      ::= { dsx1FracEntry 2 }

   dsx1FracIfIndex OBJECT-TYPE
       SYNTAX  INTEGER (0..'7fffffff'h)
       MAX-ACCESS  read-write
       STATUS  deprecated
       DESCRIPTION
          "An index value that uniquely identifies an
          interface.  The interface identified by a particular
          value of this index is the same interface
          as identified by the same value as an ifIndex
          object instance.  If no interface is currently using
          a channel, the value should be zero.  If a
          single interface occupies more than one time-slot,
          that ifIndex value will be found in multiple
          time-slots."
      ::= { dsx1FracEntry 3 }

    -- DS1 TRAPS
Top   ToC   RFC4805 - Page 59
   ds1Traps OBJECT IDENTIFIER ::= { ds1 15 }

   dsx1LineStatusChange NOTIFICATION-TYPE
       OBJECTS { dsx1LineStatus,
                 dsx1LineStatusLastChange }
       STATUS  current
       DESCRIPTION
               "A dsx1LineStatusChange trap is sent when the
               value of an instance dsx1LineStatus changes.  It
               can be utilized by an Network Management Station
               (NMS) to trigger polls.  When the line status
               change results from a higher-level line status
               change (i.e., DS3), then no traps for the DS1
               are sent."
        ::= { ds1Traps 0 1 }

   -- conformance information

   ds1Conformance OBJECT IDENTIFIER ::= { ds1 14 }

   ds1Groups      OBJECT IDENTIFIER ::= { ds1Conformance 1 }
   ds1Compliances OBJECT IDENTIFIER ::= { ds1Conformance 2 }

   -- compliance statements

   ds1Compliance MODULE-COMPLIANCE
       STATUS  deprecated
       DESCRIPTION
               "The compliance statement for T1 and E1
               interfaces."
       MODULE  -- this module
           MANDATORY-GROUPS { ds1NearEndConfigGroup,
                              ds1NearEndStatisticsGroup }

           GROUP       ds1FarEndGroup
           DESCRIPTION
               "Implementation of this group is optional for all
               systems that attach to a DS1 interface."

           GROUP       ds1NearEndOptionalConfigGroup
           DESCRIPTION
               "Implementation of this group is optional for all
               systems that attach to a DS1 interface."

           GROUP       ds1DS2Group
           DESCRIPTION
               "Implementation of this group is mandatory for all
               systems that attach to a DS2 interface."
Top   ToC   RFC4805 - Page 60
           GROUP       ds1TransStatsGroup
           DESCRIPTION
               "This group is the set of statistics appropriate
               for all systems that attach to a DS1 interface
               running transparent or unFramed lineType."

           GROUP       ds1ChanMappingGroup
           DESCRIPTION
               "This group is the set of objects for mapping a
               DS3 Channel (dsx1Ds1ChannelNumber) to ifIndex.
               Implementation of this group is mandatory for
               systems that support the channelization of DS3s
               into DS1s."

           OBJECT dsx1LineType
                   SYNTAX  INTEGER {
                               other(1),
                               dsx1ESF(2),
                               dsx1D4(3),
                               dsx1E1(4),
                               dsx1E1CRC(5),
                               dsx1E1MF(6),
                               dsx1E1CRCMF(7),
                               dsx1Unframed(8),
                               dsx1E1Unframed(9),
                               dsx1DS2M12(10),
                               dsx1E2(11)
                             }
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line type is not
               required."

           OBJECT dsx1LineCoding
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line coding is not
               required."

           OBJECT dsx1SendCode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the send code is not
               required."

           OBJECT dsx1LoopbackConfig
           MIN-ACCESS read-only
           DESCRIPTION
Top   ToC   RFC4805 - Page 61
               "The ability to set loopbacks is not required."

           OBJECT dsx1SignalMode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the signal mode is not
               required."

           OBJECT dsx1TransmitClockSource
                   SYNTAX  INTEGER {
                                loopTiming(1),
                                localTiming(2),
                                throughTiming(3)
                              }
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the transmit clock source is
               not required."

           OBJECT dsx1Fdl
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the FDL is not required."

           OBJECT dsx1LineLength
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line length is not
               required."

           OBJECT dsx1Channelization
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the channelization is not
               required."
       ::= { ds1Compliances 1 }

   ds1MibT1PriCompliance MODULE-COMPLIANCE
       STATUS deprecated
       DESCRIPTION
               "Compliance statement for using this MIB for ISDN
               Primary Rate interfaces on T1 lines."
       MODULE
           MANDATORY-GROUPS { ds1NearEndConfigGroup,
                              ds1NearEndStatisticsGroup }
           OBJECT dsx1LineType
               SYNTAX INTEGER {
                   dsx1ESF(2)   -- Intl Spec would be G704(2)
Top   ToC   RFC4805 - Page 62
                                -- or I.431(4)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Line type for T1 ISDN Primary Rate
                    interfaces."

           OBJECT dsx1LineCoding
               SYNTAX INTEGER {
                   dsx1B8ZS(2)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Type of Zero Code Suppression for
                    T1 ISDN Primary Rate interfaces."

           OBJECT dsx1SignalMode
               SYNTAX INTEGER {
                   none(1), -- if there is no signaling channel
                   messageOriented(4)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Possible signaling modes for
                    T1 ISDN Primary Rate interfaces."

           OBJECT dsx1TransmitClockSource
               SYNTAX INTEGER {
                   loopTiming(1)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "The transmit clock is derived from
                    received clock on ISDN Primary Rate
                    interfaces."

           OBJECT dsx1Fdl
               MIN-ACCESS read-only
               DESCRIPTION
                   "Facilities Data Link usage on T1 ISDN
                    Primary Rate interfaces.
                    Note: Eventually, dsx1Att-54016(4) is to be
                          used here since the line type is ESF."

           OBJECT dsx1Channelization
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the channelization
Top   ToC   RFC4805 - Page 63
                    is not required."
       ::= { ds1Compliances 2 }

   ds1MibE1PriCompliance MODULE-COMPLIANCE
       STATUS deprecated
       DESCRIPTION
               "Compliance statement for using this MIB for ISDN
               Primary Rate interfaces on E1 lines."
       MODULE
           MANDATORY-GROUPS { ds1NearEndConfigGroup,
                              ds1NearEndStatisticsGroup }
           OBJECT dsx1LineType
               SYNTAX INTEGER {
                   dsx1E1CRC(5)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Line type for E1 ISDN Primary Rate
                    interfaces."

           OBJECT dsx1LineCoding
               SYNTAX INTEGER {
                   dsx1HDB3(3)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Type of Zero Code Suppression for
                    E1 ISDN Primary Rate interfaces."

           OBJECT dsx1SignalMode
               SYNTAX INTEGER {
                   messageOriented(4)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Signaling on E1 ISDN Primary Rate interfaces
                    is always message oriented."

           OBJECT dsx1TransmitClockSource
               SYNTAX INTEGER {
                   loopTiming(1)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "The transmit clock is derived from received
                    clock on ISDN Primary Rate interfaces."

           OBJECT dsx1Fdl
Top   ToC   RFC4805 - Page 64
               MIN-ACCESS read-only
               DESCRIPTION
                   "Facilities Data Link usage on E1 ISDN
                    Primary Rate interfaces.
                    Note: There is an 'M-Channel' in E1,
                          using National Bit Sa4 (G.704,
                          Table 5A).  It is used to implement
                          management features between ET
                          and NT.  This is different from
                          FDL in T1, which is used to carry
                          control signals and performance
                          data.  In E1, control and status
                          signals are carried using National
                          Bits Sa5, Sa6, and A (RAI Ind.).
                    This indicates that only the other(1) or
                    eventually the dsx1Fdl-none(8) bits should
                    be set in this object for E1 PRI."

           OBJECT dsx1Channelization
               MIN-ACCESS read-only
               DESCRIPTION
                    "The ability to set the channelization is not
                    required."
       ::= { ds1Compliances 3 }

   ds1Ds2Compliance MODULE-COMPLIANCE
       STATUS current
       DESCRIPTION
               "Compliance statement for using this MIB for DS2
               interfaces."
       MODULE
           MANDATORY-GROUPS { ds1DS2Group }

           OBJECT dsx1LineType
                SYNTAX INTEGER {
                           dsx1DS2M12(10),
                           dsx1E2(11)
                }
                MIN-ACCESS read-only
                DESCRIPTION
                    "Line type for DS2, E2
                    interfaces."

           OBJECT dsx1Channelization
                MIN-ACCESS read-only
                DESCRIPTION
                    "The ability to set the channelization is not
                    required."
Top   ToC   RFC4805 - Page 65
       ::= { ds1Compliances 4 }

   ds1NCompliance MODULE-COMPLIANCE
       STATUS  deprecated
       DESCRIPTION
               "The compliance statement for T1 and E1
               interfaces."
       MODULE  -- this module
           MANDATORY-GROUPS { ds1NearEndConfigurationGroup,
                              ds1NearEndStatisticsGroup }

           GROUP       ds1FarEndGroup
           DESCRIPTION
               "Implementation of this group is optional for all
               systems that attach to a DS1 interface."

            GROUP       ds1NearEndOptionalTrapGroup
            DESCRIPTION
                "Implementation of this group is optional for all
                systems that attach to a DS1 interface.  If it is
                implemented, then ds1NearEndOptionalConfigGroup
                should also be implemented."

           GROUP       ds1NearEndOptionalConfigGroup
           DESCRIPTION
               "Implementation of this group is recommended for
               all systems that attach to a DS1 interface and
               implement ds1NearEndOptionalTrapGroup."

           GROUP       ds1DS2Group
           DESCRIPTION
               "Implementation of this group is mandatory for all
               systems that attach to a DS2 interface."

           GROUP       ds1TransStatsGroup
           DESCRIPTION
               "This group is the set of statistics appropriate
               for all systems that attach to a DS1 interface
               running transparent or unFramed lineType."


           GROUP       ds1ChanMappingGroup
           DESCRIPTION
               "This group is the set of objects for mapping a
               DS3 Channel (dsx1Ds1ChannelNumber) to ifIndex.
               Implementation of this group is mandatory for
               systems that support the channelization of DS3s
               into DS1s."
Top   ToC   RFC4805 - Page 66
           OBJECT dsx1LineType
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line type is not
               required."

           OBJECT dsx1LineCoding
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line coding is not
               required."

           OBJECT dsx1SendCode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the send code is not
               required."

           OBJECT dsx1LoopbackConfig
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set loopbacks is not required."

           OBJECT dsx1SignalMode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the signal mode is not
               required."

           OBJECT dsx1TransmitClockSource
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the transmit clock source is
               not required."

           OBJECT dsx1Fdl
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the FDL is not required."

           OBJECT dsx1LineLength
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line length is not
               required."

           OBJECT dsx1Channelization
           MIN-ACCESS read-only
Top   ToC   RFC4805 - Page 67
           DESCRIPTION
               "The ability to set the channelization is not
               required."

           OBJECT dsx1LineMode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line mode is not
               required."

           OBJECT dsx1LineBuildOut
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line build-out is not
               required."
       ::= { ds1Compliances 5 }

   ds1MibT1PriNCompliance MODULE-COMPLIANCE
       STATUS deprecated
       DESCRIPTION
               "Compliance statement for using this MIB for ISDN
               Primary Rate interfaces on T1 lines."
       MODULE
           MANDATORY-GROUPS { ds1NearEndConfigurationGroup,
                              ds1NearEndStatisticsGroup }
           OBJECT dsx1LineType
               SYNTAX INTEGER {
                   dsx1ESF(2)   -- Intl Spec would be G704(2)
                                -- or I.431(4)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Line type for T1 ISDN Primary Rate
                    interfaces."

           OBJECT dsx1LineCoding
               SYNTAX INTEGER {
                   dsx1B8ZS(2)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Type of Zero Code Suppression for
                    T1 ISDN Primary Rate interfaces."

           OBJECT dsx1SignalMode
               SYNTAX INTEGER {
                   none(1), -- if there is no signaling channel
                   messageOriented(4)
Top   ToC   RFC4805 - Page 68
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Possible signaling modes for
                    T1 ISDN Primary Rate interfaces."

           OBJECT dsx1TransmitClockSource
               SYNTAX INTEGER {
                   loopTiming(1)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "The transmit clock is derived from
                    received clock on ISDN Primary Rate
                    interfaces."

           OBJECT dsx1Fdl
               MIN-ACCESS read-only
               DESCRIPTION
                   "Facilities Data Link usage on T1 ISDN
                    Primary Rate interfaces.
                    Note: Eventually, dsx1Att-54016(4) is to be
                          used here since the line type is ESF."

           OBJECT dsx1Channelization
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the channelization
                    is not required."

           OBJECT dsx1LineMode
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line mode is not
                    required."

           OBJECT dsx1LineBuildOut
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line build-out
                    is not required."
       ::= { ds1Compliances 6 }

   ds1MibE1PriNCompliance MODULE-COMPLIANCE
       STATUS deprecated
       DESCRIPTION
               "Compliance statement for using this MIB for ISDN
               Primary Rate interfaces on E1 lines."
Top   ToC   RFC4805 - Page 69
       MODULE
           MANDATORY-GROUPS { ds1NearEndConfigurationGroup,
                              ds1NearEndStatisticsGroup }
           OBJECT dsx1LineType
               SYNTAX INTEGER {
                   dsx1E1CRC(5)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Line type for E1 ISDN Primary Rate
                    interfaces."

           OBJECT dsx1LineCoding
               SYNTAX INTEGER {
                   dsx1HDB3(3)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Type of Zero Code Suppression for
                    E1 ISDN Primary Rate interfaces."

           OBJECT dsx1SignalMode
               SYNTAX INTEGER {
                   messageOriented(4)
               }
               MIN-ACCESS read-only

               DESCRIPTION
                   "Signaling on E1 ISDN Primary Rate interfaces
                    is always message oriented."

           OBJECT dsx1TransmitClockSource
               SYNTAX INTEGER {
                   loopTiming(1)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "The transmit clock is derived from received
                    clock on ISDN Primary Rate interfaces."

           OBJECT dsx1Fdl
               MIN-ACCESS read-only
               DESCRIPTION
                   "Facilities Data Link usage on E1 ISDN
                    Primary Rate interfaces.
                    Note: There is an 'M-Channel' in E1,
                          using National Bit Sa4 (G704,
                          Table 5A).  It is used to implement
Top   ToC   RFC4805 - Page 70
                          management features between ET
                          and NT.  This is different from
                          FDL in T1, which is used to carry
                          control signals and performance
                          data.  In E1, control and status
                          signals are carried using National
                          Bits Sa5, Sa6, and A (RAI Ind.).
                    This indicates that only the other(1) or
                    eventually the dsx1Fdl-none(8) bits should
                    be set in this object for E1 PRI."

           OBJECT dsx1Channelization
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the channelization is not
                    required."

           OBJECT dsx1LineMode
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line mode is not
                    required."

           OBJECT dsx1LineBuildOut
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line build-out
                    is not required."
       ::= { ds1Compliances 7 }

   ds1J1Compliance MODULE-COMPLIANCE
       STATUS  current
       DESCRIPTION
               "The compliance statement for T1, J1, and E1
               interfaces."
       MODULE  -- this module
           MANDATORY-GROUPS { ds1NearEndCfgGroup,
                              ds1NearEndStatGroup }

           GROUP       ds1FarEndNGroup
           DESCRIPTION
               "Implementation of this group is optional for all
               systems that attach to a DS1 interface."

            GROUP       ds1NearEndOptionalTrapGroup
            DESCRIPTION
                "Implementation of this group is optional for all
                systems that attach to a DS1 interface.  If it is
Top   ToC   RFC4805 - Page 71
                implemented, then ds1NearEndOptionalConfigGroup
                should also be implemented."

           GROUP       ds1NearEndOptionalConfigGroup
           DESCRIPTION
               "Implementation of this group is recommended for
               all systems that attach to a DS1 interface and
               implement ds1NearEndOptionalTrapGroup."

           GROUP       ds1DS2Group
           DESCRIPTION
               "Implementation of this group is mandatory for all
               systems that attach to a DS2 interface."

           GROUP       ds1TransStatsGroup
           DESCRIPTION
               "This group is the set of statistics appropriate
               for all systems that attach to a DS1 interface
               running transparent or unFramed lineType."

           GROUP       ds1ChanMappingGroup
           DESCRIPTION
               "This group is the set of objects for mapping a
               DS3 Channel (dsx1Ds1ChannelNumber) to ifIndex.
               Implementation of this group is mandatory for
               systems that support the channelization of DS3s
               into DS1s."

           OBJECT dsx1LineType
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line type is not
               required."

           OBJECT dsx1LineCoding
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line coding is not
               required."

           OBJECT dsx1SendCode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the send code is not
               required."

           OBJECT dsx1LoopbackConfig
           MIN-ACCESS read-only
Top   ToC   RFC4805 - Page 72
           DESCRIPTION
               "The ability to set loopbacks is not required."

           OBJECT dsx1SignalMode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the signal mode is not
               required."

           OBJECT dsx1TransmitClockSource
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the transmit clock source is
               not required."

           OBJECT dsx1Fdl
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the FDL is not required."

           OBJECT dsx1LineLength
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line length is not
               required."

           OBJECT dsx1Channelization
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the channelization is not
               required."

           OBJECT dsx1LineMode
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line mode is not
               required."

           OBJECT dsx1LineBuildOut
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set the line build-out is not
               required."

           OBJECT dsx1LineImpedance
           MIN-ACCESS read-only
           DESCRIPTION
               "The ability to set line impedance is not
Top   ToC   RFC4805 - Page 73
               required."
       ::= { ds1Compliances 8 }

   ds1NMibT1PriNCompliance MODULE-COMPLIANCE
       STATUS current
       DESCRIPTION
               "Compliance statement for using this MIB for ISDN
               Primary Rate interfaces on T1 lines."
       MODULE
           MANDATORY-GROUPS { ds1NearEndCfgGroup,
                              ds1NearEndStatGroup }
           OBJECT dsx1LineType
               SYNTAX INTEGER {
                   dsx1ESF(2)   -- Intl Spec would be G704(2)
                                -- or I.431(4)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Line type for T1 ISDN Primary Rate
                    interfaces."

           OBJECT dsx1LineCoding
               SYNTAX INTEGER {
                   dsx1B8ZS(2)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Type of Zero Code Suppression for
                    T1 ISDN Primary Rate interfaces."

           OBJECT dsx1SignalMode
               SYNTAX INTEGER {
                   none(1), -- if there is no signaling channel
                   messageOriented(4)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Possible signaling modes for
                    T1 ISDN Primary Rate interfaces."

           OBJECT dsx1TransmitClockSource
               SYNTAX INTEGER {
                   loopTiming(1)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "The transmit clock is derived from
                    received clock on ISDN Primary Rate
Top   ToC   RFC4805 - Page 74
                    interfaces."

           OBJECT dsx1Fdl
               MIN-ACCESS read-only
               DESCRIPTION
                   "Facilities Data Link usage on T1 ISDN
                    Primary Rate interfaces.
                    Note: Eventually, dsx1Att-54016(4) is to be
                          used here since the line type is ESF."

           OBJECT dsx1Channelization
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the channelization
                    is not required."

           OBJECT dsx1LineMode
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line mode is not
                    required."

           OBJECT dsx1LineBuildOut
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line build-out
                    is not required."
       ::= { ds1Compliances 9 }

   ds1NMibE1PriNCompliance MODULE-COMPLIANCE
       STATUS current
       DESCRIPTION
               "Compliance statement for using this MIB for ISDN
               Primary Rate interfaces on E1 lines."
       MODULE
           MANDATORY-GROUPS { ds1NearEndCfgGroup,
                              ds1NearEndStatGroup }

           OBJECT dsx1LineType
               SYNTAX INTEGER {
                   dsx1E1CRC(5)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Line type for E1 ISDN Primary Rate
                    interfaces."

           OBJECT dsx1LineCoding
Top   ToC   RFC4805 - Page 75
               SYNTAX INTEGER {
                   dsx1HDB3(3)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Type of Zero Code Suppression for
                    E1 ISDN Primary Rate interfaces."

           OBJECT dsx1SignalMode
               SYNTAX INTEGER {
                   messageOriented(4)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "Signaling on E1 ISDN Primary Rate interfaces
                    is always message oriented."

           OBJECT dsx1TransmitClockSource
               SYNTAX INTEGER {
                   loopTiming(1)
               }
               MIN-ACCESS read-only
               DESCRIPTION
                   "The transmit clock is derived from received
                    clock on ISDN Primary Rate interfaces."

           OBJECT dsx1Fdl
               MIN-ACCESS read-only
               DESCRIPTION
                   "Facilities Data Link usage on E1 ISDN
                    Primary Rate interfaces.
                    Note: There is an 'M-Channel' in E1,
                          using National Bit Sa4 (G704,
                          Table 5A).  It is used to implement
                          management features between ET
                          and NT.  This is different from
                          FDL in T1, which is used to carry
                          control signals and performance
                          data.  In E1, control and status
                          signals are carried using National
                          Bits Sa5, Sa6, and A (RAI Ind.).
                    This indicates that only the other(1) or
                    eventually the dsx1Fdl-none(8) bits should
                    be set in this object for E1 PRI."

           OBJECT dsx1Channelization
               MIN-ACCESS read-only
               DESCRIPTION
Top   ToC   RFC4805 - Page 76
                   "The ability to set the channelization is not
                    required."

           OBJECT dsx1LineMode
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line mode is not
                   required."

           OBJECT dsx1LineBuildOut
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set the line build-out
                    is not required."

           OBJECT dsx1LineImpedance
               MIN-ACCESS read-only
               DESCRIPTION
                   "The ability to set line impedance is not
                    required."
        ::= { ds1Compliances 10 }

   -- units of conformance

   ds1NearEndConfigGroup  OBJECT-GROUP
       OBJECTS { dsx1LineIndex,
                 dsx1TimeElapsed,
                 dsx1ValidIntervals,
                 dsx1LineType,
                 dsx1LineCoding,
                 dsx1SendCode,
                 dsx1CircuitIdentifier,
                 dsx1LoopbackConfig,
                 dsx1LineStatus,
                 dsx1SignalMode,
                 dsx1TransmitClockSource,
                 dsx1Fdl,
                 dsx1InvalidIntervals,
                 dsx1LineLength,
                 dsx1LoopbackStatus,
                 dsx1Ds1ChannelNumber,
                 dsx1Channelization                      }
       STATUS  deprecated
       DESCRIPTION
               "A collection of objects providing configuration
               information applicable to all DS1 interfaces."
       ::= { ds1Groups 1 }


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