rfc1233.txt

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                         INTEGER,
                     ds3TimeElapsed
                         INTEGER (1..900),
                     ds3ValidIntervals
                         INTEGER (0..96),
                     ds3LineType
                         INTEGER,
                     ds3ZeroCoding
                         INTEGER,
                     ds3Loopback
                         INTEGER,



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RFC 1233                 DS3 Interface Objects                  May 1991


                     ds3SendCode
                         INTEGER,
                     ds3YellowAlarm
                         INTEGER,
                     ds3RedAlarm
                         INTEGER,
                     ds3CircuitIdentifier
                         DisplayString (SIZE (0..255))
             }

             ds3CSUIndex OBJECT-TYPE
                 SYNTAX  INTEGER
                 ACCESS  read-only
                 STATUS  mandatory
                 DESCRIPTION
                         "The index value which uniquely identifies the
                         CSU to which this entry is applicable."
                ::= { ds3ConfigEntry 1 }

            ds3Index OBJECT-TYPE
                SYNTAX  INTEGER
                ACCESS  read-only
                STATUS  mandatory
                DESCRIPTION
                        "An index value that uniquely identifies a DS3
                        Interface.  The interface identified by a
                        particular value of this index is the same
                        interface as identified by the same value an
                        ifIndex object instance."
               ::= { ds3ConfigEntry 2 }

           ds3TimeElapsed OBJECT-TYPE
               SYNTAX  INTEGER (1..900)
               ACCESS  read-only
               STATUS  mandatory
               DESCRIPTION
                       "The number of seconds, including partial
                       seconds, that have elapsed since the beginning of
                       the current error-measurement period."
              ::= { ds3ConfigEntry 3 }

          ds3ValidIntervals OBJECT-TYPE
              SYNTAX  INTEGER (0..96)
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "The number of previous intervals for which valid
                      data was collected.  The value will be 96 unless



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RFC 1233                 DS3 Interface Objects                  May 1991


                      the CSU device was brought online within the last
                      24 hours, in which case the value will be the
                      number of complete 15 minute intervals the CSU has
                      been online."
              ::= { ds3ConfigEntry 4 }

          ds3LineType OBJECT-TYPE
              SYNTAX  INTEGER {
                          other(1),
                          ds3M23(2),
                          ds3SYNTRAN(3),
                          ds3CbitParity(4),
                          ds3ClearChannel(5)
                      }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable indicates the variety of DS3 C-bit
                      application implementing this circuit.  The type
                      of circuit affects the interpretation of the usage
                      and error statistics.  The rate of all of them is
                      44.736 Mbps.

                      The values, in sequence, describe:
                      TITLE:            SPECIFICATION:
                      ds3M23            ANSI T1.107-1988 [10]
                      ds3SYNTRAN        ANSI T1.107-1988 [10]
                      ds3C-bitParity    ANSI T1.107a-1989 [10a]
                      ds3ClearChannel   ANSI T1.102-1987 [9]
                      "
              ::= { ds3ConfigEntry 5 }

          ds3ZeroCoding OBJECT-TYPE
              SYNTAX  INTEGER {
                          ds3other(1),
                          ds3B3ZS(2)
                      }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable describes the variety of Zero Code
                      Suppression used on the link, which in turn
                      affects a number of its characteristics.
                      ds3B3ZS refers to the use of specified patterns of
                      normal bits and bipolar violations which are used
                      to replace sequences of zero bits of a specified
                      length."
              ::= { ds3ConfigEntry 6 }



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RFC 1233                 DS3 Interface Objects                  May 1991


          ds3Loopback OBJECT-TYPE
              SYNTAX  INTEGER {
                          ds3NoLoop(1),
                          ds3LocalLoopbackLocalSide(2),
                          ds3LocalLoopbackRemoteSide(3),
                          ds3RemoteLoopbackLocalSide(4),
                          ds3RemoteLoopbackRemoteSide(5)
                      }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable represents the loopback state of
                      the CSU.  Devices supporting read/write access
                      should return badValue in response to a requested
                      loopback state that the CSU does not support.  The
                      values mean:

                        ds3NoLoop
                           Not in the loopback state.  A device that is
                           not capable of performing a loopback on
                           either interface shall always return this as
                           it's value.

                        ds3LocalLoopbackLocalSide
                           Signal received from the local side of the
                           device is looped back at the local connector
                           (eg, without involving the CSU).

                        ds3LocalLoopbackRemoteSide
                           Signal received from the local side of the
                           device is looped back at the remote connector
                           (eg, through the CSU).

                        ds3RemoteLoopbackLocalSide
                           Signal received from the remote side of the
                           device is looped back at the local connector
                           (eg, through the CSU).

                        ds3RemoteLoopbackRemoteSide
                           Signal received from the remote side of the
                           device is looped back at the remote connector
                           (eg, without involving the CSU).

                      Note that M23 and ClearChannel interfaces do not
                      support the Loopback managed object."
              ::= { ds3ConfigEntry 7 }





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RFC 1233                 DS3 Interface Objects                  May 1991


          ds3SendCode OBJECT-TYPE
              SYNTAX  INTEGER {
                          ds3SendTestMessage(1),
                          ds3SendNoCode(2),
                          ds3SendSetCode(3),
                          ds3SendLoopbackCode(4),
                          ds3SendResetCode(5)
                      }
              ACCESS  read-only
              STATUS  mandatory
              DESCRIPTION
                      "This variable indicates what type of code is
                      being sent across the DS1 circuit by the CSU.  The
                      values mean:

                        ds3SendNoCode
                           sending looped or normal data

                        ds3SendSetCode
                           sending a loopback request

                        ds3SendLoopbackCode
                           sending the code to choose a specific
                           loopback

                        ds3SendResetCode
                           sending a loopback termination request

                        ds3SendTestMessage
                           sending a Test pattern as defined in
                           T1.107a-1989 [10a].
                      "
                       ::= { ds3ConfigEntry 8 }

                   ds3YellowAlarm OBJECT-TYPE
                       SYNTAX  INTEGER {
                                   ds3YellowAlarm(1),
                                   ds3NoYellowAlarm(2)
                               }
                       ACCESS  read-only
                       STATUS  mandatory
                       DESCRIPTION
                               "This variable indicates if a Yellow
                               Alarm condition exists."
                      ::= { ds3ConfigEntry 9 }

                  ds3RedAlarm OBJECT-TYPE
                      SYNTAX  INTEGER {



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RFC 1233                 DS3 Interface Objects                  May 1991


                                  ds3RedAlarm(1),
                                  ds3NoRedAlarm(2)
                              }
                      ACCESS  read-only
                      STATUS  mandatory
                      DESCRIPTION
                              "This variable indicates if a Red Alarm
                              condition exists."
                     ::= { ds3ConfigEntry 10 }

                 ds3CircuitIdentifier OBJECT-TYPE
                     SYNTAX  DisplayString (SIZE (0..255))
                     ACCESS  read-only
                     STATUS  mandatory
                     DESCRIPTION
                             "This variable contains the transmission
                             vendor's circuit identifier, for the
                             purpose of facilitating troubleshooting."
                    ::= { ds3ConfigEntry 11 }


                -- the DS3 Interval group

                -- Implementation of this group is mandatory for all
                -- systems that attach to a DS3 interface.

                -- The DS3 Interval Table contains various statistics
                -- collected by each CSU over the previous 24 hours of
                -- operation.  The past 24 hours are broken into 96
                -- completed 15 minute intervals.

                ds3IntervalTable OBJECT-TYPE
                    SYNTAX  SEQUENCE OF DS3IntervalEntry
                    ACCESS  not-accessible
                    STATUS  mandatory
                    DESCRIPTION
                            "The DS3 Interval table."
                   ::= { ds3 2 }

               ds3IntervalEntry OBJECT-TYPE
                   SYNTAX  DS3IntervalEntry
                   ACCESS  not-accessible
                   STATUS  mandatory
                   DESCRIPTION
                           "An entry in the DS3 Interval table."
                  INDEX   { ds3IntervalIndex, ds3IntervalNumber }
                  ::= { ds3IntervalTable 1 }




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RFC 1233                 DS3 Interface Objects                  May 1991


              DS3IntervalEntry ::=
                  SEQUENCE {
                      ds3IntervalIndex
                          INTEGER,
                      ds3IntervalNumber
                          INTEGER (1..96),
                      ds3IntervalESs
                          Counter,
                      ds3IntervalSESs
                          Counter,
                      ds3IntervalSEFSs
                          Counter,
                      ds3IntervalUASs
                          Counter,
                      ds3IntervalCSSs
                          Counter,
                      ds3IntervalBPVs
                          Counter,
                      ds3IntervalCVs
                          Counter
                  }

              ds3IntervalIndex OBJECT-TYPE
                  SYNTAX  INTEGER