DS0-MIB DEFINITIONS ::= BEGIN

IMPORTS

     MODULE-IDENTITY, OBJECT-TYPE,

     transmission                     FROM SNMPv2-SMI

     MODULE-COMPLIANCE, OBJECT-GROUP  FROM SNMPv2-CONF

     DisplayString, TruthValue        FROM SNMPv2-TC

     ifIndex, InterfaceIndex,

     InterfaceIndexOrZero             FROM IF-MIB;

--  This is the MIB module for the DS0 Interface objects.

ds0 MODULE-IDENTITY

    LAST-UPDATED "9807161630Z"

    ORGANIZATION "IETF Trunk MIB Working Group"

    CONTACT-INFO

      "        David Fowler

       Postal: Newbridge Networks Corporation

               600 March Road

               Kanata, Ontario, Canada K2K 2E6

               Tel: +1 613 591 3600

               Fax: +1 613 599 3619

       E-mail: davef@newbridge.com"

    DESCRIPTION

         "The MIB module to describe

          DS0 interfaces objects."

    REVISION "9805242010Z"

    DESCRIPTION

         "Initial version of the DS0-MIB."

    ::= { transmission 81 }

-- The DS0 Config Group

-- Implementation of this group is mandatory for all

-- systems that use a DS0 Interface.

-- The DS0 Config Group consists of two tables:

--    DS0 Configuration Table

--    DS0 Channel Mapping Table

-- The DS0 Configuration Table

dsx0ConfigTable OBJECT-TYPE

    SYNTAX  SEQUENCE OF Dsx0ConfigEntry

    MAX-ACCESS  not-accessible

    STATUS  current

    DESCRIPTION

            "The DS0 Configuration table."

    ::= { ds0 1 }

dsx0ConfigEntry OBJECT-TYPE

    SYNTAX  Dsx0ConfigEntry

    MAX-ACCESS  not-accessible

    STATUS  current

    DESCRIPTION

            "An entry in the DS0 Configuration table.  There

            is an entry in this table for each DS0 interface."

    INDEX   { ifIndex }

    ::= { dsx0ConfigTable 1 }

Dsx0ConfigEntry ::=

    SEQUENCE {

        dsx0Ds0ChannelNumber        INTEGER,

        dsx0RobbedBitSignalling     TruthValue,

        dsx0CircuitIdentifier       DisplayString,

        dsx0IdleCode                INTEGER,

        dsx0SeizedCode              INTEGER,

        dsx0ReceivedCode            INTEGER,

        dsx0TransmitCodesEnable     TruthValue,

        dsx0Ds0BundleMappedIfIndex  InterfaceIndexOrZero

}

dsx0Ds0ChannelNumber OBJECT-TYPE

    SYNTAX  INTEGER(0..31)

    MAX-ACCESS  read-only

    STATUS  current

    DESCRIPTION

            "This object indicates the channel number of the

            ds0 on its DS1/E1."

    ::= { dsx0ConfigEntry 1 }

dsx0RobbedBitSignalling OBJECT-TYPE

    SYNTAX  TruthValue

    MAX-ACCESS  read-write

    STATUS  current

    DESCRIPTION

            "This object indicates if Robbed Bit Signalling is

            turned on or off for a given ds0.  This only

            applies to DS0s on a DS1 link.  For E1 links the

            value is always off (false)."

    ::= { dsx0ConfigEntry 2 }

dsx0CircuitIdentifier OBJECT-TYPE

     SYNTAX  DisplayString (SIZE (0..255))

     MAX-ACCESS  read-write

     STATUS  current

     DESCRIPTION

            "This object contains the transmission vendor's

            circuit identifier, for the purpose of

            facilitating troubleshooting."

    ::= { dsx0ConfigEntry 3 }

dsx0IdleCode OBJECT-TYPE

     SYNTAX  INTEGER(0..15)

     MAX-ACCESS  read-write

     STATUS  current

     DESCRIPTION

            "This object contains the code transmitted in the

            ABCD bits when the ds0 is not connected and

            dsx0TransmitCodesEnable is enabled.  The object is

            a bitmap and the various bit positions are:

                  1     D bit

                  2     C bit

                  4     B bit

                  8     A bit"

    ::= { dsx0ConfigEntry 4 }

dsx0SeizedCode OBJECT-TYPE

     SYNTAX  INTEGER(0..15)

     MAX-ACCESS  read-write

     STATUS  current

     DESCRIPTION

            "This object contains the code transmitted in the

            ABCD bits when the ds0 is connected and

            dsx0TransmitCodesEnable is enabled.  The object is

            a bitmap and the various bit positions are:

                  1     D bit

                  2     C bit

                  4     B bit

                  8     A bit"

    ::= { dsx0ConfigEntry 5 }

dsx0ReceivedCode OBJECT-TYPE

     SYNTAX  INTEGER(0..15)

     MAX-ACCESS  read-only

     STATUS  current

     DESCRIPTION

            "This object contains the code being received in

            the ABCD bits.  The object is a bitmap and the

            various bit positions are:

                  1     D bit

                  2     C bit

                  4     B bit

                  8     A bit"

    ::= { dsx0ConfigEntry 6 }

dsx0TransmitCodesEnable OBJECT-TYPE

     SYNTAX TruthValue

     MAX-ACCESS  read-write

     STATUS  current

     DESCRIPTION

            "This object determines if the idle and seized

            codes are transmitted. If the value of this object

            is true then the codes are transmitted."

    ::= { dsx0ConfigEntry 7 }

dsx0Ds0BundleMappedIfIndex OBJECT-TYPE

     SYNTAX InterfaceIndexOrZero

     MAX-ACCESS  read-only

     STATUS  current

     DESCRIPTION

            "This object indicates the ifIndex value assigned

            by the agent for the ds0Bundle(82) ifEntry to

            which the given ds0(81) ifEntry may belong.

            If the given ds0(81) ifEntry does not belong to

            any ds0Bundle(82) ifEntry, then this object has a

            value of zero.

            While this object provides information that can

            also be found in the ifStackTable, it provides

            this same information with a single table lookup,

            rather than by walking the ifStackTable to find

            the possibly non-existent ds0Bundle(82) ifEntry

            that may be stacked above the given ds0(81)

            ifTable entry."

    ::= { dsx0ConfigEntry 8 }

-- The DS0 Channel Mapping Table

dsx0ChanMappingTable OBJECT-TYPE

     SYNTAX  SEQUENCE OF Dsx0ChanMappingEntry

     MAX-ACCESS  not-accessible

     STATUS  current

     DESCRIPTION

            "The DS0 Channel Mapping table.  This table maps a

            DS0 channel number on a particular DS1/E1 into an

            ifIndex."

     ::= { ds0 3 }

dsx0ChanMappingEntry OBJECT-TYPE

     SYNTAX  Dsx0ChanMappingEntry

     MAX-ACCESS  not-accessible

     STATUS  current

     DESCRIPTION

            "An entry in the DS0 Channel Mapping table.  There

            is an entry in this table corresponding to each

            ds0 ifEntry within any interface that is

            channelized to the individual ds0 ifEntry level.

            This table is intended to facilitate mapping from

            channelized interface / channel number to DS0

            ifEntry.  (e.g. mapping (DS1 ifIndex, DS0 Channel

            Number) -> ifIndex)

            While this table provides information that can

            also be found in the ifStackTable and

            dsx0ConfigTable, it provides this same information

            with a single table lookup, rather than by walking

            the ifStackTable to find the various constituent

            ds0 ifTable entries, and testing various

            dsx0ConfigTable entries to check for the entry

            with the applicable DS0 channel number."

     INDEX   { ifIndex, dsx0Ds0ChannelNumber }

     ::= { dsx0ChanMappingTable 1 }

Dsx0ChanMappingEntry ::=

     SEQUENCE {

         dsx0ChanMappedIfIndex  InterfaceIndex

}

dsx0ChanMappedIfIndex OBJECT-TYPE

     SYNTAX  InterfaceIndex

     MAX-ACCESS  read-only

     STATUS  current

     DESCRIPTION

            "This object indicates the ifIndex value assigned

            by the agent for the individual ds0 ifEntry that

            corresponds to the given DS0 channel number

            (specified by the INDEX element

            dsx0Ds0ChannelNumber) of the given channelized

            interface (specified by INDEX element ifIndex)."

     ::= { dsx0ChanMappingEntry 1 }

-- conformance information

ds0Conformance OBJECT IDENTIFIER ::= { ds0 2 }

ds0Groups      OBJECT IDENTIFIER ::= { ds0Conformance 1 }

ds0Compliances OBJECT IDENTIFIER ::= { ds0Conformance 2 }

-- compliance statements

ds0Compliance MODULE-COMPLIANCE

    STATUS  current

    DESCRIPTION

            "The compliance statement for DS0 interfaces."

    MODULE  -- this module

        MANDATORY-GROUPS { ds0ConfigGroup }

        OBJECT dsx0RobbedBitSignalling

        MIN-ACCESS read-only

        DESCRIPTION

            "The ability to set RBS is not required."

        OBJECT dsx0CircuitIdentifier

        MIN-ACCESS read-only

        DESCRIPTION

            "The ability to set the circuit identifier is not

            required."

        OBJECT dsx0IdleCode

        MIN-ACCESS read-only

        DESCRIPTION

            "The ability to set the idle code is not

            required."

        OBJECT dsx0SeizedCode

        MIN-ACCESS read-only

        DESCRIPTION

            "The ability to set the seized code is not

            required."

        OBJECT dsx0TransmitCodesEnable

        MIN-ACCESS read-only

        DESCRIPTION

            "The ability to enable and disable the

            transmitting of idle and seized codes is not

            required."

    ::= { ds0Compliances 1 }

-- units of conformance

ds0ConfigGroup  OBJECT-GROUP

    OBJECTS { dsx0Ds0ChannelNumber,

              dsx0RobbedBitSignalling,

              dsx0CircuitIdentifier,

              dsx0IdleCode,

              dsx0SeizedCode,

              dsx0ReceivedCode,

              dsx0TransmitCodesEnable,

              dsx0Ds0BundleMappedIfIndex,

              dsx0ChanMappedIfIndex }

    STATUS  current

    DESCRIPTION

            "A collection of objects providing configuration

            information applicable to all DS0 interfaces."

    ::= { ds0Groups 1 }

END