CADANT-CMTS-UPCHANNEL-MIB Table View

Describes a modulation profile associated with one or more
upstream channels.

cadIfCmtsModulationEntry row .1.3.6.1.4.1.4998.1.1.15.3.1.1

Describes a modulation profile for an Interval Usage Code
for one or more upstream channels.
Entries in this table are created by the operator. Initial
default entries may be created at system initialization
time. No in…

Indexes

cadIfCmtsModIndex cadIfCmtsModIntervalUsageCode

Column	Syntax	OID
cadIfCmtsModIndex An index into the Channel Modulation table representing a group of Interval Usage Codes, all associated with the same channel.	Integer32 Constraints: range: 1-2147483647	.1.3.6.1.4.1.4998.1.1.15.3.1.1.1
cadIfCmtsModIntervalUsageCode An index into the Channel Modulation table which, when grouped with other Interval Usage Codes, fully instantiate all modulation sets for a given upstream channel.	Enumeration Enumerated Values: 1 request 2 requestData 3 initialRanging 4 periodicRanging 5 shortData 6 longData 9 advPhyShortData 10 advPhyLongData 11 ugs	.1.3.6.1.4.1.4998.1.1.15.3.1.1.2
cadIfCmtsModControl Controls and reflects the status of rows in this table.	SNMPv2-TCRowStatusr/w Type Values: 1 active 2 notInService 3 notReady 4 createAndGo 5 createAndWait 6 destroy Description: The RowStatus textual convention is used to manage the creation and deletion of conceptual rows, and is used as the value of the SYNTAX clause for the status column of a conceptual row (as described in Section 7.7.1 of …	.1.3.6.1.4.1.4998.1.1.15.3.1.1.3
cadIfCmtsModType The modulation type used on this channel. Returns other(1) if the modulation type is neither qpsk, qam16, qam8, qam32, qam64 or qam128. Type qam128 is used for SCDMA channels only. See the reference for the modulation …	Enumerationr/w Enumerated Values: 1 other 2 qpsk 3 qam16 4 qam8 5 qam32 6 qam64 7 qam128	.1.3.6.1.4.1.4998.1.1.15.3.1.1.4
cadIfCmtsModPreambleLen The preamble length for this modulation profile in bits. Default value is the minimum needed by the implementation at the CMTS for the given modulation profile.	Integer32r/w Constraints: range: 0-1536	.1.3.6.1.4.1.4998.1.1.15.3.1.1.5
cadIfCmtsModDifferentialEncoding Specifies whether or not differential encoding is used on this channel.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.1.1.6
cadIfCmtsModFECErrorCorrection The number of correctable errored bytes (t) used in forward error correction code. The value of 0 indicates no correction is employed. The number of check bytes appended will be twice this value.	Integer32r/w Constraints: range: 0-16	.1.3.6.1.4.1.4998.1.1.15.3.1.1.7
cadIfCmtsModFECCodewordLength The number of data bytes (k) in the forward error correction codeword. This object is not used if cadIfCmtsModFECErrorCorrection is zero.	Integer32r/w Constraints: range: 16-253	.1.3.6.1.4.1.4998.1.1.15.3.1.1.8
cadIfCmtsModScramblerSeed The 15 bit seed value for the scrambler polynomial.	Integer32r/w Constraints: range: 0-32767	.1.3.6.1.4.1.4998.1.1.15.3.1.1.9
cadIfCmtsModMaxBurstSize The maximum number of mini-slots that can be transmitted during this channel's burst time. Returns zero if the burst length is bounded by the allocation MAP rather than this profile. Default value is 0 except for shortD…	Integer32r/w Constraints: range: 0-255	.1.3.6.1.4.1.4998.1.1.15.3.1.1.10
cadIfCmtsModGuardTimeSize The number of symbol-times which must follow the end of this channel's burst. Default value is the minimum time needed by the implementation for this modulation profile. A value of 0 is only valid for SCDMA modulation p…	Unsigned32r/w Constraints: range: 0-0 range: 8-96	.1.3.6.1.4.1.4998.1.1.15.3.1.1.11
cadIfCmtsModLastCodewordShortened Indicates if the last FEC codeword is truncated.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.1.1.12
cadIfCmtsModScrambler Indicates if the scrambler is employed.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.1.1.13
cadIfCmtsModPreambleValueOffset The preamble value offset for this modulation profile.	SNMPv2-SMIInteger32 Type Constraints: range: -2147483648..2147483647	.1.3.6.1.4.1.4998.1.1.15.3.1.1.14
cadIfCmtsModBroadcomUwLength The WHAT	SNMPv2-SMIInteger32 Type Constraints: range: -2147483648..2147483647	.1.3.6.1.4.1.4998.1.1.15.3.1.1.15
cadIfCmtsModBroadcomUwPattern The WHAT	OctetString Constraints: range: 3-3	.1.3.6.1.4.1.4998.1.1.15.3.1.1.16
cadIfCmtsModBroadcomUwDetectionWindow The WHAT	OctetString Constraints: range: 1-1	.1.3.6.1.4.1.4998.1.1.15.3.1.1.17
cadIfCmtsModBroadcomUwMismatchThreshold The WHAT	OctetString Constraints: range: 1-1	.1.3.6.1.4.1.4998.1.1.15.3.1.1.18
cadIfCmtsModByteInterleaverDepth ATDMA Byte Interleaver Depth (Ir). This object returns 1 for non ATDMA profiles.	SNMPv2-SMIUnsigned32r/w Type Constraints: range: 0..4294967295	.1.3.6.1.4.1.4998.1.1.15.3.1.1.19
cadIfCmtsModByteInterleaverBlockSize ATDMA Byte Interleaver Block size (Br). This object returns zero for non ATDMA profiles	Unsigned32r/w Constraints: range: 0-0 range: 36-2048	.1.3.6.1.4.1.4998.1.1.15.3.1.1.20
cadIfCmtsModPreambleType Preamble type for DOCSIS 2.0 bursts	Enumerationr/w Enumerated Values: 1 qpsk0 2 qpsk1	.1.3.6.1.4.1.4998.1.1.15.3.1.1.21
cadIfCmtsModTcmErrorCorrectionOn Trellis Code Modulation (TCM) On/Off. This value returns false for non S-CDMA profiles.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.1.1.22
cadIfCmtsModScdmaInterleaverStepSize S-CDMA Interleaver step size. This value returns zero for non S-CDMA profiles. This object defaults to 1 for S-CDMA profiles.	Unsigned32r/w Constraints: range: 0-32	.1.3.6.1.4.1.4998.1.1.15.3.1.1.23
cadIfCmtsModScdmaSpreaderEnable S-CDMA spreader. This value returns false for non S-CDMA profiles. Default value for IUC 3 and 4 is OFF, for all other IUCs it is ON.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.1.1.24
cadIfCmtsModScdmaSubframeCodes S-CDMA sub-frame size. This value returns zero for non S-CDMA profiles.	Unsigned32r/w Constraints: range: 0-128	.1.3.6.1.4.1.4998.1.1.15.3.1.1.25
cadIfCmtsModChannelType Describes the modulation channel type for this modulation entry.	DOCS-IF-MIBDocsisUpstreamTyper/w Type Values: 0 unknown 1 tdma 2 atdma 3 scdma 4 tdmaAndAtdma	.1.3.6.1.4.1.4998.1.1.15.3.1.1.26

This table describes the attributes of attached upstream
channels.

cadIfUpstreamChannelEntry row .1.3.6.1.4.1.4998.1.1.15.3.2.1

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 en…

Indexes

cadIfUpChannelIfIndex

Column	Syntax	OID
cadIfUpChannelCardNumber Card Number associated with this Channel.	CADANT-TCCardId Type Constraints: range: 0..99	.1.3.6.1.4.1.4998.1.1.15.3.2.1.1
cadIfUpChannelId The CMTS identification of the upstream channel.	Integer32 Constraints: range: 0-255	.1.3.6.1.4.1.4998.1.1.15.3.2.1.2
cadIfUpChannelFrequency The center of the frequency band associated with this upstream channel. This object returns 0 if the frequency is undefined or unknown. Minimum permitted upstream frequency is 5,000,000 Hz for current technology. See t…	hertzInteger32r/w Constraints: range: 0-85000000	.1.3.6.1.4.1.4998.1.1.15.3.2.1.4
cadIfUpChannelWidth The bandwidth of this upstream channel. This object returns 0 if the channel width is undefined or unknown. Minimum permitted channel width is 200,000 Hz currently. See the associated conformance object for write condit…	hertzInteger32r/w Constraints: range: 0-0 range: 200000-200000 range: 400000-400000 range: 800000-800000 range: 1600000-1600000 range: 3200000-3200000 range: 6400000-6400000	.1.3.6.1.4.1.4998.1.1.15.3.2.1.5
cadIfUpChannelModulationProfile An entry identical to the cadIfModIndex in the cadIfCmtsModulationTable that describes this channel. This channel is further instantiated there by a grouping of interval usage codes which together fully describe the cha…	SNMPv2-SMIInteger32r/w Type Constraints: range: -2147483648..2147483647	.1.3.6.1.4.1.4998.1.1.15.3.2.1.6
cadIfUpChannelPowerDesired The CMTS desired receive power level. See Cadant documentation for range limitations due to ChannelWidth. If this CMTS interface does not support control of the receive power level then this will be treated as read-on…	dBmVInteger32r/w Constraints: range: -16-29	.1.3.6.1.4.1.4998.1.1.15.3.2.1.7
cadIfUpChannelSlotSize The number of 6.25 microsecond ticks in each upstream mini- slot. Returns zero if the value is undefined or unknown. See the associated conformance object for write conditions and limitations.	SNMPv2-SMIUnsigned32r/w Type Constraints: range: 0..4294967295	.1.3.6.1.4.1.4998.1.1.15.3.2.1.8
cadIfUpChannelRangingBackoffStart 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 confo…	Integer32r/w Constraints: range: 0-16	.1.3.6.1.4.1.4998.1.1.15.3.2.1.9
cadIfUpChannelRangingBackoffEnd 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 conform…	Integer32r/w Constraints: range: 0-16	.1.3.6.1.4.1.4998.1.1.15.3.2.1.10
cadIfUpChannelTxBackoffStart 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 conforma…	Integer32r/w Constraints: range: 0-16	.1.3.6.1.4.1.4998.1.1.15.3.2.1.11
cadIfUpChannelTxBackoffEnd 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 conformanc…	Integer32r/w Constraints: range: 0-16	.1.3.6.1.4.1.4998.1.1.15.3.2.1.12
cadIfUpChannelMapSize The average size of MAPs in 800usec ticks.	800microsecondTicksInteger32r/w Constraints: range: 1-13	.1.3.6.1.4.1.4998.1.1.15.3.2.1.13
cadIfUpChannelMaxPowerAdjust Maximum size of the CMTS range response power adjustments in 1/4 dBmV units.	Integer32r/w Constraints: range: 1-48	.1.3.6.1.4.1.4998.1.1.15.3.2.1.17
cadIfUpChannelThresholdPowerOffset Ranging success threshold for CM power measured.	Integer32r/w Constraints: range: 4-48	.1.3.6.1.4.1.4998.1.1.15.3.2.1.18
cadIfUpChannelZeroPowerAdjust If TRUE, then do NOT send power adjustments in the ranging responses.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.2.1.19
cadIfUpChannelZeroFreqAdjust If TRUE, then do NOT send frequency adjustments in the ranging responses.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.2.1.20
cadIfUpChannelZeroTimingAdjust If TRUE, then do NOT send timing adjustments in the ranging responses.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.2.1.21
cadIfUpChannelPreEqEnable If true(1), then send back equalizer coefficients to the CMs to help them offset upstream channel noise.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.2.1.22
cadIfUpChannelPCNormAllowedUsage Maximum percentage of upstream resources that may be used by non-emergency telephony services. This is also the maximum amount of resources non-exclusively allocated to sessions of this type. The default set from the …	percentInteger32r/w Constraints: range: 0-100	.1.3.6.1.4.1.4998.1.1.15.3.2.1.52
cadIfUpChannelPCNormResUsage Minimum percentage of upstream resources that may be used by non-emergency telephony services. This is also the maximum amount of resources exclusively allocated to sessions of this type. If the value of this object is…	percentInteger32r/w Constraints: range: 0-100	.1.3.6.1.4.1.4998.1.1.15.3.2.1.53
cadIfUpChannelPCEmerAllowedUsage Maximum percentage of upstream resources that may be used by emergency telephony services. The default is set from the globals in CadPcMibBase.	percentInteger32r/w Constraints: range: 0-100	.1.3.6.1.4.1.4998.1.1.15.3.2.1.54
cadIfUpChannelPCEmerResUsage Minimum percentage of upstream resources that may be used by emergency telephony services. If the value of this object is non-zero, then a portion of the upstream bandwidth will be set aside for emercency telephony us…	percentInteger32r/w Constraints: range: 0-100	.1.3.6.1.4.1.4998.1.1.15.3.2.1.55
cadIfUpChannelPCTotalAllowedUsage Maximum percentage of upstream resources that may be used by both normal and emergency telephony services. The default is set from the globals in CadPcMibBase.	percentInteger32r/w Constraints: range: 0-100	.1.3.6.1.4.1.4998.1.1.15.3.2.1.56
cadIfUpChannelIfIndex IfIndex of this upstream channel.	IF-MIBInterfaceIndex Type Constraints: range: 1..2147483647 Description: A unique value, greater than zero, for each interface or interface sub-layer in the managed system. It is recommended that values are assigned contiguously starting from 1. The value for each interface sub-layer must …	.1.3.6.1.4.1.4998.1.1.15.3.2.1.57
cadIfUpChannelScdmaActiveCodes 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.	Unsigned32r/w Constraints: range: 0-0 range: 64-128	.1.3.6.1.4.1.4998.1.1.15.3.2.1.58
cadIfUpChannelScdmaCodesPerSlot Applicable for SCDMA channel types only. The number of SCDMA codes per mini-slot. Returns zero if the value is undefined, unknown or in case of a TDMA or ATDMA channel.	Integer32r/w Constraints: range: 0-0 range: 2-32	.1.3.6.1.4.1.4998.1.1.15.3.2.1.59
cadIfUpChannelScdmaFrameSize Applicable for SCDMA channel types only. SCDMA Frame size in units of spreading intervals. This value returns zero for non SCDMA Profiles.	Unsigned32r/w Constraints: range: 0-32	.1.3.6.1.4.1.4998.1.1.15.3.2.1.60
cadIfUpChannelScdmaHoppingSeed Applicable for SCDMA channel types only. 15 bit seed used for code hopping sequence initialization. Returns zero for non-SCDMA channel types.	Unsigned32r/w Constraints: range: 0-32767	.1.3.6.1.4.1.4998.1.1.15.3.2.1.61
cadIfUpChannelType Defines the Upstream channel type. Given the channel type, other channel attributes can be checked for value validity at the time of entry creation and update.	DOCS-IF-MIBDocsisUpstreamTyper/w Type Values: 0 unknown 1 tdma 2 atdma 3 scdma 4 tdmaAndAtdma	.1.3.6.1.4.1.4998.1.1.15.3.2.1.62
cadIfUpChannelCMKeepSpectralDensity Indicates to the CMs that if is there is a modulation change, whether the CM MUST maintain its current transmit power or its current power spectral density. A value of false means the CM MUST keep its current transmi…	SNMPv2-TCTruthValue Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.2.1.63
cadIfUpChannelIngressCancellationInterval The interval at which reserved burst intervals are scheduled for ingress cancellation analysis. A value of zero indicates ingress cancellation is disabled.	millisecondsUnsigned32r/w Constraints: range: 0-1000	.1.3.6.1.4.1.4998.1.1.15.3.2.1.64
cadIfUpChannelIngressCancellationSize The number of minislots granted for each reserved burst interval that is scheduled for ingress cancellation analysis. A value of zero indicates the grant size will be automatically calculated based upon. the size that…	minislotsUnsigned32r/w Constraints: range: 0-64	.1.3.6.1.4.1.4998.1.1.15.3.2.1.65
cadIfUpChannelPCPreemptionAllowed Indicates whether the system will preempt another session for an emergency call. The default is set from the globals in CadPcMibBase.	SNMPv2-TCTruthValuer/w Type Values: 1 true 2 false Description: Represents a boolean value.	.1.3.6.1.4.1.4998.1.1.15.3.2.1.66
cadIfUpChannelSpGroupIndex An entry identical to the cadSpMgtGroupIndex in the cadSpMgtGroupTable that describes the upstream spectrum management group. A value of zero means that upstream spectrum management is disabled for this upstream channe…	SNMPv2-SMIInteger32r/w Type Constraints: range: -2147483648..2147483647	.1.3.6.1.4.1.4998.1.1.15.3.2.1.69
cadIfUpChannelNumberEqTaps Contains the number of taps to be used by the upstream receiver's equalizer for non-ranging IUCs. Default value of 24 taps.	Unsigned32r/w Constraints: range: 5-5 range: 24-24	.1.3.6.1.4.1.4998.1.1.15.3.2.1.70

This table contains the polling intervals used
by the unicast polling algorithm of the MapMaker.
This allows the MapMaker to adjust the polling for
a service flow based on the flow's priority and
data characteristics.

cadUnicastPollingEntry row .1.3.6.1.4.1.4998.1.1.15.3.6.1

Matrix of polling intervals used for various flow priorities.

Indexes

cadUnicastPriority

Column	Syntax	OID
cadUnicastPriority An index repesenting the DOCSIS service flow priority.	Integer32 Constraints: range: 0-7	.1.3.6.1.4.1.4998.1.1.15.3.6.1.1
cadUnicastSlowPollInterval The slow poll interval repesents the worst cast latency for the first message when traffic is just starting. Broadcast opportunities should be used to help avoid this being hit. A value of 0 disables all polling for t…	tens of millisecondsInteger32r/w Constraints: range: 0-0 range: 2-1000	.1.3.6.1.4.1.4998.1.1.15.3.6.1.2
cadUnicastFastPollInterval The fast poll interval represents the polling rate desired while traffic is flowing. A value of 0 disables fast polling	tens of millisecondsInteger32r/w Constraints: range: 0-0 range: 2-1000	.1.3.6.1.4.1.4998.1.1.15.3.6.1.3
cadUnicastFastPollTimeout The fast poll timeout represents the amount of time in fast polling before transitioning back to slow polling. This is expected to be used during call setup/teardown. A value of 0 sets the timeout to a single interval.	tens of millisecondsInteger32r/w Constraints: range: 0-0 range: 2-5000	.1.3.6.1.4.1.4998.1.1.15.3.6.1.4