DOCS-IF-MIB DEFINITIONS ::= BEGIN

  IMPORTS

     MODULE-IDENTITY,

     OBJECT-TYPE,

     Unsigned32,

     Integer32,

     Counter32,

     Counter64,

     TimeTicks,

     IpAddress,

     transmission

             FROM SNMPv2-SMI        -- [RFC2578]

     TEXTUAL-CONVENTION,

     MacAddress,

     RowStatus,

     TruthValue,

     TimeInterval,

     TimeStamp,

     StorageType

             FROM SNMPv2-TC         -- [RFC2579]

     OBJECT-GROUP,

     MODULE-COMPLIANCE

             FROM SNMPv2-CONF       -- [RFC2580]

     ifIndex, InterfaceIndexOrZero

             FROM IF-MIB            -- [RFC2863]

     InetAddressType,

     InetAddress

             FROM INET-ADDRESS-MIB  -- [RFC4001]

     IANAifType

             FROM IANAifType-MIB;   -- [IANA]

docsIfMib MODULE-IDENTITY

     LAST-UPDATED    "200605240000Z" -- May 24, 2006

     ORGANIZATION    "IETF IPCDN Working Group"

     CONTACT-INFO

         "        David Raftus

          Postal: ATI Technologies Inc.

                  340 Terry Fox Drive, Suite 202

                  Ottawa Ontario

                  Canada

          Phone:  +1 613 592 1052 ext.222

          E-mail: david.raftus@ati.com

                  Eduardo Cardona

          Postal: Cable Television Laboratories, Inc.

                  858 Coal Creek Circle

                  Louisville, CO 80027-9750

                  U.S.A.

          Phone:  Tel:    +1 303 661 9100

                  Fax:    +1 303 661 9199

          E-mail: e.cardona@cablelabs.com;mibs@cablelabs.com

          IETF IPCDN Working Group

          General Discussion: ipcdn@ietf.org

          Subscribe: http://www.ietf.org/mailman/listinfo/ipcdn

          Archive: ftp://ftp.ietf.org/ietf-mail-archive/ipcdn

          Co-chairs: Richard Woundy, Richard_Woundy@cable.comcast.com

                     Jean-Francois Mule, jf.mule@cablelabs.com"

     DESCRIPTION

         "This is the MIB Module for DOCSIS 2.0-compliant Radio

          Frequency (RF) interfaces in Cable Modems and

          Cable Modem Termination Systems.

          Copyright (C) The Internet Society (2006).  This

          version of this MIB module is part of RFC 4546; see

          the RFC itself for full legal notices."

     REVISION        "200605240000Z"

     DESCRIPTION

         "Revision of the IETF RF MIB module for DOCSIS 2.0.

          This version published as RFC 4546.

          This MIB module revision includes the following

          among others:

          Usage of ifType (205) for upstream logical channels.

          Addition of downstream and upstream utilization

          counters.

          Additional statistics per upstream interface.

          Upstream channel offline configuration mechanism.

          Added MIB support for new DOCSIS 2.0 modulation

          attributes.

          Euro-DOCSIS downstream interleave values.

          Adjustments to RFC 2670 definitions based on

          the MIB review guidelines from the IETF

          Operations and Management Area (OPS)."

     REVISION "199908190000Z"

     DESCRIPTION

         "Initial version, published as RFC 2670.

          Modified by Mike St. Johns to fix problems identified by

          the first pass of the MIB doctor.  Of special note,

          docsIfRangingResp and docsIfCmtsInsertionInterval were

          obsoleted and replaced by other objects with the same

          functionality, but with more appropriate syntax."

     ::= { transmission 127 }

-- Textual Conventions

TenthdBmV ::= TEXTUAL-CONVENTION

     DISPLAY-HINT "d-1"

     STATUS       current

     DESCRIPTION

         "This data type represents power levels that are normally

          expressed in dBmV.  Units are in tenths of a dBmV;

          for example, 5.1 dBmV will be represented as 51."

     SYNTAX       Integer32

TenthdB ::= TEXTUAL-CONVENTION

     DISPLAY-HINT "d-1"

     STATUS       current

     DESCRIPTION

         "This data type represents power levels that are normally

          expressed in dB.  Units are in tenths of a dB;

          for example, 5.1 dB will be represented as 51."

     SYNTAX       Integer32

DocsisVersion ::= TEXTUAL-CONVENTION

    STATUS          current

    DESCRIPTION

        "Indicates the DOCSIS Radio Frequency specification being

         referenced.

         'docsis10' indicates DOCSIS 1.0.

         'docsis11' indicates DOCSIS 1.1.

         'docsis20' indicates DOCSIS 2.0."

    SYNTAX        INTEGER {

         docsis10 (1),

         docsis11 (2),

         docsis20 (3)

    }

DocsisQosVersion ::= TEXTUAL-CONVENTION

    STATUS          current

    DESCRIPTION

        "Indicates the referenced quality-of-service

         level.

         'docsis10 refers to DOCSIS 1.0 Class of

         Service queuing services, and 'docsis11' refers

         to DOCSIS 1.1 Quality of Service."

    SYNTAX        INTEGER {

        docsis10 (1),

        docsis11 (2)

    }

DocsisUpstreamType ::= TEXTUAL-CONVENTION

    STATUS          current

    DESCRIPTION

         "Indicates the DOCSIS Upstream Channel Type.

          'unknown' means information not available.

          'tdma' is related to TDMA, Time Division

          Multiple Access; 'atdma' is related to A-TDMA,

          Advanced Time Division Multiple Access,

          'scdma' is related to S-CDMA, Synchronous

          Code Division Multiple Access.

          'tdmaAndAtdma is related to simultaneous support of

          TDMA and A-TDMA modes."

    SYNTAX          INTEGER {

        unknown(0),

        tdma(1),

        atdma(2),

        scdma(3),

        tdmaAndAtdma(4)

    }

 DocsEqualizerData ::= TEXTUAL-CONVENTION

      STATUS       current

      DESCRIPTION

          "This data type represents the equalizer data

           as measured at the receiver interface.

           The format of the equalizer follows the structure of the

           Transmit Equalization Adjust RNG-RSP TLV of DOCSIS RFI

           v2.0 :

           1 byte Main tap location 1..(n + m)

           1 byte Number of forward taps per symbol

           1 byte Number of forward taps: n

           1 byte Number of reverse taps: m

           Following are the equalizer coefficients:

           First, forward taps coefficients:

           2 bytes F1 (real),  2 bytes  F1 (imag)

           ...

           2 bytes Fn (real),  2 bytes  Fn (imag)

           Then, reverse taps coefficients:

           2 bytes D1 (real),  2 bytes  D1 (imag)

           ...

           2 bytes Dm (real),  2 bytes  Dm (imag)

           The equalizer coefficients are considered signed 16-bit

           integers in the range from -32768 (0x8000) to 32767

           (0x7FFF).

           DOCSIS specifications require up to a maximum of

           64 equalizer taps (n + m); therefore, this object size

            can get up 260 bytes (4 + 4x64).

           The minimum object size (other than zero) for a t-spaced

           tap with a minimum of 8 symbols will be 36 (4 + 4x8)."

      REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Figure 8-23."

      SYNTAX       OCTET STRING(SIZE (0 | 36..260))

docsIfMibObjects  OBJECT IDENTIFIER ::= { docsIfMib 1 }

docsIfBaseObjects OBJECT IDENTIFIER ::= { docsIfMibObjects 1 }

docsIfCmObjects   OBJECT IDENTIFIER ::= { docsIfMibObjects 2 }

docsIfCmtsObjects OBJECT IDENTIFIER ::= { docsIfMibObjects 3 }

--

-- BASE GROUP

--

--

-- The following table is implemented on both the Cable Modem

-- and the Cable Modem Termination System.  This table is

-- read only for the CM.

--

docsIfDownstreamChannelTable OBJECT-TYPE

     SYNTAX      SEQUENCE OF DocsIfDownstreamChannelEntry

     MAX-ACCESS  not-accessible

     STATUS      current

     DESCRIPTION

         "This table describes the attributes of downstream

          channels (frequency bands)."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Tables 6-16, and 6-17."

     ::= { docsIfBaseObjects 1 }

docsIfDownstreamChannelEntry OBJECT-TYPE

     SYNTAX      DocsIfDownstreamChannelEntry

     MAX-ACCESS  not-accessible

     STATUS      current

     DESCRIPTION

         "An entry provides a list of attributes for a single

          downstream channel.

          An entry in this table exists for each ifEntry with an

          ifType of docsCableDownstream(128)."

     INDEX { ifIndex }

     ::= { docsIfDownstreamChannelTable 1 }

DocsIfDownstreamChannelEntry ::= SEQUENCE {

         docsIfDownChannelId               Integer32,

         docsIfDownChannelFrequency        Integer32,

         docsIfDownChannelWidth            Integer32,

         docsIfDownChannelModulation       INTEGER,

         docsIfDownChannelInterleave       INTEGER,

         docsIfDownChannelPower            TenthdBmV,

         docsIfDownChannelAnnex            INTEGER,

         docsIfDownChannelStorageType      StorageType

     }

docsIfDownChannelId OBJECT-TYPE

     SYNTAX      Integer32 (0..255)

     MAX-ACCESS  read-only

     STATUS      current

     DESCRIPTION

         "The Cable Modem Termination System identification of the

          downstream channel within this particular MAC interface.

          if the interface is down, the object returns the most

          current value.  If the downstream channel ID is unknown,

          this object returns a value of 0."

     ::= { docsIfDownstreamChannelEntry 1 }

docsIfDownChannelFrequency OBJECT-TYPE

     SYNTAX      Integer32 (0..1000000000)

     UNITS       "hertz"

     MAX-ACCESS  read-write

     STATUS      current

     DESCRIPTION

         "The center of the downstream frequency associated with

          this channel.  This object will return the current tuner

          frequency.  If a CMTS provides IF output, this object

          will return 0, unless this CMTS is in control of the

          final downstream frequency.  See the associated

          compliance object for a description of valid frequencies

          that may be written to this object."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 6.3.3."

     ::= { docsIfDownstreamChannelEntry 2 }

docsIfDownChannelWidth OBJECT-TYPE

     SYNTAX      Integer32 (0..16000000)

     UNITS       "hertz"

     MAX-ACCESS  read-write

     STATUS      current

     DESCRIPTION

         "The bandwidth of this downstream channel.  Most

          implementations are expected to support a channel width

          of 6 MHz (North America) and/or 8 MHz (Europe).  See the

          associated compliance object for a description of the

          valid channel widths for this object."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Table 6-17."

     ::= { docsIfDownstreamChannelEntry 3 }

docsIfDownChannelModulation OBJECT-TYPE

     SYNTAX      INTEGER {

         unknown(1),

         other(2),

         qam64(3),

         qam256(4)

     }

     MAX-ACCESS  read-write

     STATUS      current

     DESCRIPTION

         "The modulation type associated with this downstream

          channel.  If the interface is down, this object either

          returns the configured value (CMTS), the most current

          value (CM), or the value of unknown(1).  See the

          associated conformance object for write conditions and

          limitations.  See the reference for specifics on the

          modulation profiles implied by qam64 and qam256."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Table 6-17."

     ::= { docsIfDownstreamChannelEntry 4 }

docsIfDownChannelInterleave OBJECT-TYPE

     SYNTAX      INTEGER {

         unknown(1),

         other(2),

         taps8Increment16(3),

         taps16Increment8(4),

         taps32Increment4(5),

         taps64Increment2(6),

         taps128Increment1(7),

         taps12increment17(8)

     }

     MAX-ACCESS  read-write

     STATUS      current

     DESCRIPTION

         "The Forward Error Correction (FEC) interleaving used

          for this downstream channel.

          Values are defined as follows:

          taps8Increment16(3):   protection 5.9/4.1 usec,

                                 latency .22/.15 msec

          taps16Increment8(4):   protection 12/8.2 usec,

                                 latency .48/.33 msec

          taps32Increment4(5):   protection 24/16 usec,

                                 latency .98/.68 msec

          taps64Increment2(6):   protection 47/33 usec,

                                 latency 2/1.4 msec

          taps128Increment1(7):  protection 95/66 usec,

                                 latency 4/2.8 msec

          taps12increment17(8):  protection 18/14 usec,

                                 latency 0.43/0.32 msec

         The value 'taps12increment17' is supported by EuroDOCSIS

         cable systems only, and the others by DOCSIS cable systems.

          If the interface is down, this object either returns

          the configured value (CMTS), the most current value (CM),

          or the value of unknown(1).

          The value of other(2) is returned if the interleave

          is known but not defined in the above list.

          See the associated conformance object for write

          conditions and limitations.  See the reference for the FEC

          configuration described by the setting of this object."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Table 6-15."

     ::= { docsIfDownstreamChannelEntry 5 }

docsIfDownChannelPower OBJECT-TYPE

     SYNTAX      TenthdBmV

     UNITS       "dBmV"

     MAX-ACCESS  read-write

     STATUS      current

     DESCRIPTION

         "At the CMTS, the operational transmit power.  At the CM,

          the received power level.

          If the interface is down, this object either returns

          the configured value (CMTS), the most current value (CM)

          or the value of 0.  See the associated conformance object

          for write conditions and limitations.  See the reference

          for recommended and required power levels."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Tables 6-16, 6-17."

     ::= { docsIfDownstreamChannelEntry 6 }

docsIfDownChannelAnnex OBJECT-TYPE

     SYNTAX      INTEGER {

         unknown(1),

         other(2),

         annexA(3),

         annexB(4),

         annexC(5)

     }

     MAX-ACCESS  read-only

     STATUS      current

     DESCRIPTION

         "The value of this object indicates the conformance of

          the implementation to important regional cable standards.

          annexA : Annex A from ITU-T J.83 is used.

                   (equivalent to EN 300 429)

          annexB : Annex B from ITU-T J.83 is used.

          annexC : Annex C from ITU-T J.83 is used."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Sections 6.3.1, and H.3.1."

     ::= { docsIfDownstreamChannelEntry 7 }

docsIfDownChannelStorageType OBJECT-TYPE

     SYNTAX       StorageType

     MAX-ACCESS   read-only

     STATUS       current

     DESCRIPTION

         "The storage type for this conceptual row.

          Entries with this object set to permanent(4)

          do not require write operations for read-write

          objects."

     ::= { docsIfDownstreamChannelEntry 8 }

--

-- The following table is implemented on both the CM and the CMTS.

-- For the CM, only attached channels appear in the table.  For the

-- CM, this table is read-only as well.

--

docsIfUpstreamChannelTable OBJECT-TYPE

     SYNTAX      SEQUENCE OF DocsIfUpstreamChannelEntry

     MAX-ACCESS  not-accessible

     STATUS      current

     DESCRIPTION

         "This table describes the attributes of attached upstream

          channels."

     ::= { docsIfBaseObjects 2 }

docsIfUpstreamChannelEntry OBJECT-TYPE

     SYNTAX      DocsIfUpstreamChannelEntry

     MAX-ACCESS  not-accessible

     STATUS      current

     DESCRIPTION

         "List of attributes for a single upstream channel.  For

          DOCSIS 2.0 CMTSs, an entry in this table exists for

          each ifEntry with an ifType of docsCableUpstreamChannel

          (205).

          For DOCSIS 1.x CM/CMTSs and DOCSIS 2.0 CMs, an entry in

          this table exists for each ifEntry with an ifType of

          docsCableUpstream (129).

          For DOCSIS 2.0 CMTSs, two classes of interfaces can be

          defined for this table:

           o Upstream Physical Interfaces: The traditional DOCSIS

             1.x CMTS upstream interface ifType 129 and the DOCSIS

             2.0 ifType 205 that are functional.  In other words,

             interfaces that represent upstream receivers within

             an RF MAC interface.

             Entries of physical interfaces are exposed to the

             management interface with their corresponding

             ifStack hierarchy and are not administratively

             created by this table.

           o Upstream Temporary Interfaces: A fictitious

             interface created for the purpose of manipulating

             physical interface parameters offline, then

             validating prior to updating the target physical

             interface.

          In case of a reinitialization of the managed system,

          physical interfaces values persist while the temporary

          interfaces are not recreated.

          This mechanism helps to minimize service disruptions

          originating in situations where a group of interface

          parameter values need to be consistent with each other

          in SET operations.  A temporary buffer

          (temporary interface) is provided to allow the CMTS

          to validate the parameters offline."

     INDEX { ifIndex }

     ::= { docsIfUpstreamChannelTable 1 }

DocsIfUpstreamChannelEntry ::= SEQUENCE {

         docsIfUpChannelId                     Integer32,

         docsIfUpChannelFrequency              Integer32,

         docsIfUpChannelWidth                  Integer32,

         docsIfUpChannelModulationProfile      Unsigned32,

         docsIfUpChannelSlotSize               Unsigned32,

         docsIfUpChannelTxTimingOffset         Unsigned32,

         docsIfUpChannelRangingBackoffStart    Integer32,

         docsIfUpChannelRangingBackoffEnd      Integer32,

         docsIfUpChannelTxBackoffStart         Integer32,

         docsIfUpChannelTxBackoffEnd           Integer32,

         docsIfUpChannelScdmaActiveCodes       Unsigned32,

         docsIfUpChannelScdmaCodesPerSlot      Integer32,

         docsIfUpChannelScdmaFrameSize         Unsigned32,

         docsIfUpChannelScdmaHoppingSeed       Unsigned32,

         docsIfUpChannelType                   DocsisUpstreamType,

         docsIfUpChannelCloneFrom              InterfaceIndexOrZero,

         docsIfUpChannelUpdate                 TruthValue,

         docsIfUpChannelStatus                 RowStatus,

         docsIfUpChannelPreEqEnable            TruthValue

     }

docsIfUpChannelId OBJECT-TYPE

     SYNTAX      Integer32 (0..255)

     MAX-ACCESS  read-only

     STATUS      current

     DESCRIPTION

         "The CMTS identification of the upstream channel."

     ::= { docsIfUpstreamChannelEntry 1 }

docsIfUpChannelFrequency OBJECT-TYPE

     SYNTAX      Integer32 (0..1000000000)

     UNITS       "hertz"

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "The center of the frequency band associated with this

          upstream interface.  This object returns 0 if the frequency

          is undefined or unknown.  Minimum permitted upstream

          frequency is 5,000,000 Hz for current technology.  See

          the associated conformance object for write conditions

          and limitations."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Table 4-2."

     ::= { docsIfUpstreamChannelEntry 2 }

docsIfUpChannelWidth OBJECT-TYPE

     SYNTAX      Integer32 (0..64000000)

     UNITS       "hertz"

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "The bandwidth of this upstream interface.  This object

          returns 0 if the interface width is undefined or unknown.

          Minimum permitted interface width is currently 200,000 Hz.

          See the associated conformance object for write conditions

          and limitations."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Table 6-5."

     ::= { docsIfUpstreamChannelEntry 3 }

docsIfUpChannelModulationProfile OBJECT-TYPE

     SYNTAX      Unsigned32

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "An entry identical to the docsIfModIndex in the

          docsIfCmtsModulationTable that describes this channel.

          This channel is further instantiated there by a grouping

          of interval usage codes (IUCs) that, together, fully

          describe the channel modulation.  This object returns 0 if

          the docsIfCmtsModulationTable entry does not exist or is

          empty.  See the associated conformance object for write

          conditions and limitations.

          Setting this object returns an 'inconsistentValue'

          error if the following conditions are not satisfied:

          1. All the IUC entries in the selected modulation profile

          MUST have the same value of docsIfCmtsModChannelType.

          2. All of the Modulation parameters in the selected

          modulation profile MUST be consistent with the other

          parameters in this docsIfUpstreamChannelEntry."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Table 8-19."

     ::= { docsIfUpstreamChannelEntry 4 }

docsIfUpChannelSlotSize OBJECT-TYPE

     SYNTAX      Unsigned32

     UNITS       "ticks"

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "Applicable to TDMA and ATDMA channel types only.

          The number of 6.25 microsecond ticks in each upstream

          mini-slot.  Returns zero if the value is undefined or

          unknown or in case of an SCDMA channel.

          See the associated conformance object for write

          conditions and limitations."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 8.1.2.4."

     ::= { docsIfUpstreamChannelEntry 5 }

docsIfUpChannelTxTimingOffset OBJECT-TYPE

     SYNTAX      Unsigned32

     MAX-ACCESS  read-only

     STATUS      current

     DESCRIPTION

         "At the CM, a measure of the current round trip time

          obtained from the ranging offset (initial ranging offset +

          ranging offset adjustments).

          At the CMTS, the maximum of timing offset, among all the

          CMs that are/were present on the channel, taking into

          account all ( initial + periodic ) timing offset

          corrections that were sent for each of the CMs.  Generally,

          these measurements are positive, but if the measurements

          are negative, the value of this object is zero.  Used for

          timing of CM upstream transmissions to ensure synchronized

          arrivals at the CMTS.

          Units are one 64th fraction of 6.25 microseconds."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 6.2.19."

     ::= { docsIfUpstreamChannelEntry 6 }

docsIfUpChannelRangingBackoffStart OBJECT-TYPE

     SYNTAX      Integer32 (0..16)

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "The initial random backoff window to use when retrying

          Ranging Requests.  Expressed as a power of 2.  A value of

          16 at the CMTS indicates that a proprietary adaptive retry

          mechanism is to be used.  See the associated conformance

          object for write conditions and limitations."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Sections 8.3.4, and 9.4."

     ::= { docsIfUpstreamChannelEntry 7 }

docsIfUpChannelRangingBackoffEnd OBJECT-TYPE

     SYNTAX      Integer32 (0..16)

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "The final random backoff window to use when retrying

          Ranging Requests.  Expressed as a power of 2.  A value of

          16 at the CMTS indicates that a proprietary adaptive retry

          mechanism is to be used.  See the associated conformance

          object for write conditions and limitations."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 8.3.4, and 9.4."

     ::= { docsIfUpstreamChannelEntry 8 }

docsIfUpChannelTxBackoffStart OBJECT-TYPE

     SYNTAX      Integer32 (0..16)

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "The initial random backoff window to use when retrying

          transmissions.  Expressed as a power of 2.  A value of 16

          at the CMTS indicates that a proprietary adaptive retry

          mechanism is to be used.  See the associated conformance

          object for write conditions and limitations."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 8.3.4, and 9.4."

     ::= { docsIfUpstreamChannelEntry 9 }

docsIfUpChannelTxBackoffEnd OBJECT-TYPE

     SYNTAX      Integer32 (0..16)

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "The final random backoff window to use when retrying

          transmissions.  Expressed as a power of 2.  A value of 16

          at the CMTS indicates that a proprietary adaptive retry

          mechanism is to be used.  See the associated conformance

          object for write conditions and limitations."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 8.3.4, and 9.4."

     ::= { docsIfUpstreamChannelEntry 10 }

docsIfUpChannelScdmaActiveCodes OBJECT-TYPE

     SYNTAX     Unsigned32 (0|64..66|68..70|72|74..78|80..82|84..88

                             |90..96|98..100|102|104..106|108

                             |110..112|114..126|128)

     MAX-ACCESS read-create

     STATUS     current

     DESCRIPTION

         "Applicable for SCDMA channel types only.

          Number of active codes.  Returns zero for

          Non-SCDMA channel types.  Note that legal

          values from 64..128 MUST be non-prime."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 6.2.11.2.1."

     ::= { docsIfUpstreamChannelEntry 11 }

docsIfUpChannelScdmaCodesPerSlot OBJECT-TYPE

     SYNTAX      Integer32(0 | 2..32)

     UNITS       "codesperMinislots"

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "Applicable for SCDMA channel types only.

          The number of SCDMA codes per mini-slot.

          Returns zero if the value is undefined or unknown or in

          case of a TDMA or ATDMA channel."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 6.2.11.2.1."

     ::= { docsIfUpstreamChannelEntry 12 }

docsIfUpChannelScdmaFrameSize OBJECT-TYPE

     SYNTAX      Unsigned32 (0..32)

     UNITS       "spreadIntervals"

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "Applicable for SCDMA channel types only.

          SCDMA Frame size in units of spreading intervals.

          This value returns zero for non-SCDMA Profiles."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 6.2.12."

     ::= { docsIfUpstreamChannelEntry 13 }

docsIfUpChannelScdmaHoppingSeed OBJECT-TYPE

     SYNTAX     Unsigned32 (0..32767)

     MAX-ACCESS read-create

     STATUS     current

     DESCRIPTION

         "Applicable for SCDMA channel types only.

          15-bit seed used for code hopping sequence initialization.

          Returns zero for non-SCDMA channel types.

          Setting this value to a value different than zero for

          non-SCDMA channel types returns the error 'wrongValue'."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 6.2.14.1."

     ::= { docsIfUpstreamChannelEntry 14 }

docsIfUpChannelType OBJECT-TYPE

     SYNTAX      DocsisUpstreamType

     MAX-ACCESS  read-only

     STATUS      current

     DESCRIPTION

         "Reflects the Upstream channel type.

          This object returns the value of docsIfCmtsModChannelType

          for the modulation profile selected in

          docsIfUpChannelModulationProfile for this row."

     REFERENCE

         "Data-Over-Cable Service Interface Specifications: Radio

          Frequency Interface Specification SP-RFIv2.0-I10-051209,

          Section 6.2.1."

     ::= { docsIfUpstreamChannelEntry 15 }

docsIfUpChannelCloneFrom OBJECT-TYPE

     SYNTAX      InterfaceIndexOrZero

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "This object contains the ifIndex value of the physical

          interface row entry whose parameters are to be adjusted.

          Upon setting this object to the ifIndex value of a

          physical interface, the following interface objects values

          are copied to this entry:

          docsIfUpChannelFrequency,

          docsIfUpChannelWidth,

          docsIfUpChannelModulationProfile,

          docsIfUpChannelSlotSize,

          docsIfUpChannelRangingBackoffStart,

          docsIfUpChannelRangingBackoffEnd,

          docsIfUpChannelTxBackoffStart,

          docsIfUpChannelTxBackoffEnd,

          docsIfUpChannelScdmaActiveCodes,

          docsIfUpChannelScdmaCodesPerSlot,

          docsIfUpChannelScdmaFrameSize,

          docsIfUpChannelScdmaHoppingSeed,

          docsIfUpChannelType, and

          docsIfUpChannelPreEqEnable

          Setting this object to the value of a non-existent or

          a temporary upstream interface returns the error

          'wrongValue'.

          This object MUST contain a value of zero for physical

          interfaces entries.

          Setting this object in row entries that correspond to

          physical interfaces returns the error 'wrongValue'."

     ::= { docsIfUpstreamChannelEntry 16 }

docsIfUpChannelUpdate OBJECT-TYPE

     SYNTAX      TruthValue

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "Used to perform the copy of adjusted parameters from the

          temporary interface entry to the physical interface

          indicated by the docsIfUpChannelCloneFrom object.  The

          transfer is initiated through an SNMP SET to 'true' of

          this object.

          A SET to 'true' fails and returns error 'commitFailed'

          if docsIfUpChannelStatus value is 'notInService', which

          means that the interface parameters values are not

          compatible with each other or have not been validated yet.

          Reading this object always returns 'false'."

     ::= { docsIfUpstreamChannelEntry 17 }

docsIfUpChannelStatus OBJECT-TYPE

     SYNTAX      RowStatus

     MAX-ACCESS  read-create

     STATUS      current

     DESCRIPTION

         "This object is only used for the creation of a temporary

          upstream row with the purpose of updating the parameters

          of a physical upstream channel entry.

          The following restrictions apply to this object:

          1. This object is not writable for physical interfaces.

          2. Temporary interface entries are only created by a SET

             of this object to createandWait(5).

          3. ifAdminStatus from the Interface MIB RFC 2863 is used

             to take a physical upstream channel offline, to be

             consistent with DOCSIS 1.x operation, as indicated in