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CADANT-CMTS-DOWNCHANNEL-MIB

101 objects
ARRIS CMTS Downstream Channel Configuration and Constants
OIDNameAccessStatusDescription
1.3.6.1.4.1.4998.1.1.15.2IdentitycadDownchannelMibofARRIS CMTS Downstream Channel Configuration and Constants
1.3.6.1.4.1.4998.1.1.15.2.1TablecadIfDownstreamChannelTablenot-accessiblecurrentThis table describes the attributes of downstream channels (frequency bands).
1.3.6.1.4.1.4998.1.1.15.2.1.1RowcadIfDownstreamChannelEntrynot-accessiblecurrentAn 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(12…
1.3.6.1.4.1.4998.1.1.15.2.1.1.1ColumncadIfDownChannelIdread-onlycurrentThe Cable Modem Termination System (CMTS) identification of the downstream channel within this particular MAC interface. If the interface is down, the object r…
1.3.6.1.4.1.4998.1.1.15.2.1.1.2ColumncadIfDownChannelFrequencyread-writecurrentThe center of the downstream frequency associated with this channel. This object will return the current tuner frequency. If this CMTS interface provides IF ou…
1.3.6.1.4.1.4998.1.1.15.2.1.1.3ColumncadIfDownChannelWidthread-writecurrentThe 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 …
1.3.6.1.4.1.4998.1.1.15.2.1.1.4ColumncadIfDownChannelModulationread-writecurrentThe modulation type associated with this downstream channel. If the interface is down, this object either returns the configured value (CMTS), the most current…
1.3.6.1.4.1.4998.1.1.15.2.1.1.5ColumncadIfDownChannelInterleaveread-writecurrentThe Forward Error Correction (FEC) interleaving used for this downstream channel. Values are defined as follows: taps8Increment16(3): protection 5.9/4.1 usec, …
1.3.6.1.4.1.4998.1.1.15.2.1.1.6ColumncadIfDownChannelPowerread-writecurrentThe CMTS operational transmit power. If this CMTS interface does not support output power control then this object will return 0 and be treated as read-only. I…
1.3.6.1.4.1.4998.1.1.15.2.1.1.7ColumncadIfDownChannelPowerFineAdjread-writecurrentAt the CMTS, the fine power adjustments steps to increase or decrease the output power in incremental steps.
1.3.6.1.4.1.4998.1.1.15.2.1.1.19ColumncadIfCmtsCardNumberread-onlycurrentCard Number associated with this Channel.
1.3.6.1.4.1.4998.1.1.15.2.1.1.21ColumncadIfDownChannelCACL1Thresholdread-writecurrentPercentage of available bandwidth on the channel that can be reserved for admitted/active service flows before the channel goes into Level 1 Overload. When a c…
1.3.6.1.4.1.4998.1.1.15.2.1.1.22ColumncadIfDownChannelCACL2Thresholdread-writecurrentPercentage of available bandwidth on the channel that can be reserved for admitted/active service flows before the channel goes into Level 2 Overload. When a c…
1.3.6.1.4.1.4998.1.1.15.2.1.1.23ColumncadIfDownChannelCACL3Thresholdread-writecurrentPercentage of available bandwidth on the channel that can be reserved for admitted/active service flows. A Registration Request, DSA Request or DSC Request wil…
1.3.6.1.4.1.4998.1.1.15.2.1.1.24ColumncadIfDownChannelMaxRoundTripDelayread-writecurrentMaximum round-trip propagation delay for cable plant in Microseconds. Should be configured for the furthest CM in all cable groups containing this DownChannel.…
1.3.6.1.4.1.4998.1.1.15.2.1.1.26ColumncadIfDownChannelAnnexread-writecurrentThe value of this object indicates the conformance of the implementation to important regional cable standards. annexA : Annex A from ITU-J83 is used. annexB :…
1.3.6.1.4.1.4998.1.1.15.2.1.1.27ColumncadIfDownChannelPCNormAllowedUsageread-writecurrentMaximum percentage of downstream resources that may be used by non-emergency telephony services. This is also the maximum amount of resources non-exclusively a…
1.3.6.1.4.1.4998.1.1.15.2.1.1.28ColumncadIfDownChannelPCNormResUsageread-writecurrentMinimum percentage of downstream resources that may be used by non-emergency telephony services. This is also the maximum amount of resources exclusively alloc…
1.3.6.1.4.1.4998.1.1.15.2.1.1.29ColumncadIfDownChannelPCEmerAllowedUsageread-writecurrentMaximum percentage of downstream resources that may be used by emergency telephony services. The default is set from the globals in CadPCMibBase.
1.3.6.1.4.1.4998.1.1.15.2.1.1.30ColumncadIfDownChannelPCEmerResUsageread-writecurrentMinimum percentage of downstream resources that may be used by emergency telephony services. If the value of this object is non-zero, then a portion of the dow…
1.3.6.1.4.1.4998.1.1.15.2.1.1.31ColumncadIfDownChannelPCTotalAllowedUsageread-writecurrentMaximum percentage of downstream resources that may be used by both normal and emergency telephony services. The default is set from the globals in CadPCMibBas…
1.3.6.1.4.1.4998.1.1.15.2.1.1.32ColumncadIfDownChannelPCPreemptionAllowedread-writecurrentIndicates whether the system will preempt another session for an emergency call. The default is set from the globals in CadPCMibBase.
1.3.6.1.4.1.4998.1.1.15.2.1.1.37ColumncadIfDownChannelIfIndexread-onlycurrentthe ifIndex of this downstream channel.
1.3.6.1.4.1.4998.1.1.15.2.1.1.38ColumncadIfDownChannelPrimaryCapableread-writecurrentWhen a row's cadIfDownChannelPrimaryCapable column is set to true(1) then DOCSIS SYNC message generation is enabled on the downstream channel. Otherwise, DOCSI…
1.3.6.1.4.1.4998.1.1.15.2.1.1.39ColumncadIfDownSpectralInversionread-writecurrentWhen a row's cadIfDownSpectralInversion column is set to true(1), then spectral inversion is enabled. Otherwise, spectral inversion is disabled. Note that spec…
1.3.6.1.4.1.4998.1.1.15.2.2NodecadDownChannelParams
1.3.6.1.4.1.4998.1.1.15.2.2.1ScalarcadDownChannelMaxFrequencyread-writecurrentThis object is used to configure the C4 CMTS to accept maximum downstream frequency limit that conform with the EuroDOCSIS specifications (starndard range 112 …
1.3.6.1.4.1.4998.1.1.15.2.2.2ScalarcadDownChannelMinFrequencyread-writecurrentThis object is used to configure the C4 CMTS to accept minimum downstream frequency limit that conform with the EuroDOCSIS specifications (starndard range 112 …
1.3.6.1.4.1.4998.1.1.15.2.2.3ScalarcadDownChannelAgcEnableread-writecurrentEnable Automatic Gain Control on DCAMs.
1.3.6.1.4.1.4998.1.1.15.2.2.4ScalarcadDownChannelOorRecoveryEnableread-writecurrentTrue to enable toggling the Sequence Change Count for a DSID in response to a CM-STATUS sequence number Out-Of-Range message.
1.3.6.1.4.1.4998.1.1.15.2.2.5ScalarcadDsOfdmOcdDpdPlcIntervalread-writecurrentHow often to send the OCD and DPD messages on a channel over the PLC.
1.3.6.1.4.1.4998.1.1.15.2.2.6ScalarcadDsOfdmDpdProfAIntervalread-writecurrentHow often to send the DPD messages on a channel using profile A.
1.3.6.1.4.1.4998.1.1.15.2.2.7ScalarcadDownChannelLsredMinThreshread-writecurrentThis parameter defines the start of the downstream latency region where packets are randomly dropped. This value must be less than or equal to cadDownChannelLs…
1.3.6.1.4.1.4998.1.1.15.2.2.8ScalarcadDownChannelLsredMaxThreshread-writecurrentThis parameter defines the end of the downstream latency region where packets are randomly dropped. This value must be greater than or equal to cadDownChannelL…
1.3.6.1.4.1.4998.1.1.15.2.2.9ScalarcadDownChannelLsredMaxProbread-writecurrentThis parameter defines the drop probability of a packet when its downstream latency is equal to cadDownChannelLsredMaxThresh. The probability of dropping a pac…
1.3.6.1.4.1.4998.1.1.15.2.2.10ScalarcadDownChannelVoiceShapingread-writecurrentThis parameter defines whether downstream voice packets should be shaped or not. When this this parameter is set to false, voice packets that do not conform to…
1.3.6.1.4.1.4998.1.1.15.2.3TablecadIfDsOfdmPowerTablenot-accessiblecurrentThis status table contains the power parameters for a DS OFDM channel.
1.3.6.1.4.1.4998.1.1.15.2.3.1RowcadIfDsOfdmPowerEntrynot-accessiblecurrentAn entry shows the power setting and measured power for one of the frequencies within an OFDM channel.
1.3.6.1.4.1.4998.1.1.15.2.3.1.1ColumncadIfDsOfdmPowerIfIndexnot-accessiblecurrentThe ifIndex of this downstream OFDM channel.
1.3.6.1.4.1.4998.1.1.15.2.3.1.2ColumncadIfDsOfdmPowerFrequencynot-accessiblecurrentA relative frequency within the OFDM channel for power control/status, in 6 MHz increments(i.e., legal values are 3, 9, 15, etc).
1.3.6.1.4.1.4998.1.1.15.2.3.1.3ColumncadIfDsOfdmPowerFineAdjustmentread-writecurrentThe configured power for this OFDM channel frequency. This consists of the base RF port power per channel plus any configured tilt adjustment.
1.3.6.1.4.1.4998.1.1.15.2.3.1.4ColumncadIfDsOfdmPowerCurrLevelread-onlycurrentThe latest downstream power level reported by the port for this frequency.
1.3.6.1.4.1.4998.1.1.15.2.3.1.5ColumncadIfDsOfdmPowerMinLevelread-onlycurrentThe minimum downstream power level read on the port for this frequency.
1.3.6.1.4.1.4998.1.1.15.2.3.1.6ColumncadIfDsOfdmPowerMaxLevelread-onlycurrentThe minimum downstream power level reported by the port for this frequency.
1.3.6.1.4.1.4998.1.1.15.2.5TablecadIfDsOfdmChlTablenot-accessiblecurrentThis table describes the attributes of downstream OFDM channels.
1.3.6.1.4.1.4998.1.1.15.2.5.1RowcadIfDsOfdmChlEntrynot-accessiblecurrentAn entry provides a list of attributes for a single OFDM Downstream channel. An entry in this table exists for each ifEntry with an ifType of docsOfdmDownstrea…
1.3.6.1.4.1.4998.1.1.15.2.5.1.1ColumncadIfDsOfdmChlIfIndexnot-accessiblecurrentThe ifIndex of this OFDM downstream channel.
1.3.6.1.4.1.4998.1.1.15.2.5.1.2ColumncadIfDsOfdmChlLowFreqread-writecurrentThe lowest subcarrier center frequency of the low guard band just below the encompassed spectrum. While this is the center frequency of a subcarrier, it is the…
1.3.6.1.4.1.4998.1.1.15.2.5.1.3ColumncadIfDsOfdmChlHighFreqread-writecurrentThe highest subcarrier center frequency of the high guard band just above the encompassed spectrum. While this is the center frequency of a subcarrier, it is t…
1.3.6.1.4.1.4998.1.1.15.2.5.1.4ColumncadIfDsOfdmChlPlcBlkLowSubcCentFreqread-writecurrentThe center frequency of the lowest frequency subcarrier of the 6 MHz encompassed spectrum containing the PLC. Must be an integral number of Megahertz. Zero mea…
1.3.6.1.4.1.4998.1.1.15.2.5.1.5ColumncadIfDsOfdmChlCyclicPrefixread-writecurrentThe cyclic-prefix, converted into samples using the sample rate of 204.8 Million samples/second.
1.3.6.1.4.1.4998.1.1.15.2.5.1.6ColumncadIfDsOfdmChlRolloffPeriodread-writecurrentThe roll-off period used in windowing, converted into samples using the sample rate of 204.8 Million samples/second.
1.3.6.1.4.1.4998.1.1.15.2.5.1.7ColumncadIfDsOfdmChlTimeIntlvrDepthread-writecurrentThe number of symbols in the time domain for interleaving. The range is 1..32 for 50 KHz subcarrier spacing, and 1..16 for 25 KHz spacing. A value of one means…
1.3.6.1.4.1.4998.1.1.15.2.5.1.8ColumncadIfDsOfdmChlSubcSpacingread-writecurrentThe subcarrier frequency width for this OFDM channel.
1.3.6.1.4.1.4998.1.1.15.2.5.1.9ColumncadIfDsOfdmChlContPilotScaleFactorread-writecurrentThe scale factor M used to calculate the total number of continuous pilots defined using the PLC. The number of continuous pilots also depends on the encompass…
1.3.6.1.4.1.4998.1.1.15.2.5.1.10ColumncadIfDsOfdmChlMaxRoundTripDelayread-writecurrentMaximum round-trip propagation delay for cable plant in Microseconds. Should be configured for the furthest CM in all cable groups containing this DownChannel.…
1.3.6.1.4.1.4998.1.1.15.2.5.1.11ColumncadIfDsOfdmChlPCNormAllowedUsageread-writecurrentMaximum percentage of downstream resources that may be used by non-emergency telephony services. This is also the maximum amount of resources non-exclusively a…
1.3.6.1.4.1.4998.1.1.15.2.5.1.12ColumncadIfDsOfdmChlPCNormResUsageread-writecurrentMinimum percentage of downstream resources that may be used by non-emergency telephony services. This is also the maximum amount of resources exclusively alloc…
1.3.6.1.4.1.4998.1.1.15.2.5.1.13ColumncadIfDsOfdmChlPCEmerAllowedUsageread-writecurrentMaximum percentage of downstream resources that may be used by emergency telephony services. The default is set from the globals in CadPCMibBase.
1.3.6.1.4.1.4998.1.1.15.2.5.1.14ColumncadIfDsOfdmChlPCEmerResUsageread-writecurrentMinimum percentage of downstream resources that may be used by emergency telephony services. If the value of this object is non-zero, then a portion of the dow…
1.3.6.1.4.1.4998.1.1.15.2.5.1.15ColumncadIfDsOfdmChlPCTotalAllowedUsageread-writecurrentMaximum percentage of downstream resources that may be used by both normal and emergency telephony services. The default is set from the globals in CadPCMibBas…
1.3.6.1.4.1.4998.1.1.15.2.5.1.16ColumncadIfDsOfdmChlPCPreemptionAllowedread-writecurrentIndicates whether the system will preempt another session for an emergency call. The default is set from the globals in CadPCMibBase.
1.3.6.1.4.1.4998.1.1.15.2.5.1.17ColumncadIfDsOfdmChlRfPortBasePowerread-writecurrentThe CCAP operational transmit power. See the reference for recommended and required power levels for the equivalent total number of 6 MHz channels on the RF po…
1.3.6.1.4.1.4998.1.1.15.2.5.1.18ColumncadIfDsOfdmChlSubcZeroCentFreqread-onlycurrentThe center frequency of subcarrier 0. This is 102.4 MHz less than (cadIfDsOfdmChlLowFreq + cadIfDsOfdmChlHighFreq)/2 if cadIfDsOfdmChlLowFreq is divisible by 2…
1.3.6.1.4.1.4998.1.1.15.2.5.1.19ColumncadIfDsOfdmChlLowActSubcCentFreqread-onlycurrentThe low center frequency of the lowest active subcarrier in the OFDM channel. The low edge of the encompassed spectrum is half a subcarrier less than this valu…
1.3.6.1.4.1.4998.1.1.15.2.5.1.20ColumncadIfDsOfdmChlHighActSubcCentFreqread-onlycurrentThe high center frequency of the highest active subcarrier in the the OFDM channel. The high edge of the encompassed spectrum is half a subcarrier more than th…
1.3.6.1.4.1.4998.1.1.15.2.5.1.21ColumncadIfDsOfdmChlPlcLowSubcCentFreqread-onlycurrentThe center frequency of the lowest frequency subcarrier of the PLC itself. By definition, this is 2.8 MHz higher than cadIfDsOfdmChlPlcBlkLowSubcCentFreq (i.e.…
1.3.6.1.4.1.4998.1.1.15.2.5.1.22ColumncadIfDsOfdmChlNumActSubcread-onlycurrentThe configured number of subcarriers based on the high and low center frequencies of the active subcarriers in the the OFDM channel.
1.3.6.1.4.1.4998.1.1.15.2.6TablecadIfDsOfdmChlDataTablenot-accessiblecurrentThis table describes the read-only attributes of downstream OFDM channels (frequency bands).
1.3.6.1.4.1.4998.1.1.15.2.6.1RowcadIfDsOfdmChlDataEntrynot-accessiblecurrentAn entry provides a list of read-only attributes for a single OFDM downstream channel. An entry in this table exists for each ifEntry with an ifType of docsOfd…
1.3.6.1.4.1.4998.1.1.15.2.6.1.1ColumncadIfDsOfdmChlDataNumActSubcarriersread-onlycurrentThe number of non-excluded subcarriers in the OFDM channel. 7600 is the maximum allowed for a 190 MHz of active Spectrum. 350 would be the worst case for 22 MH…
1.3.6.1.4.1.4998.1.1.15.2.6.1.2ColumncadIfDsOfdmChlDataNumContPilotsread-onlycurrentThe total number of continuous pilots. The total number of of continuous pilots is the number defined by the PLC plus the 8 pre-defined ones positioned around …
1.3.6.1.4.1.4998.1.1.15.2.8TablecadDsOfdmProfileTablenot-accessiblecurrentThis table defines the profiles assigned to an OFDM channel.
1.3.6.1.4.1.4998.1.1.15.2.8.1RowcadDsOfdmProfileEntrynot-accessiblecurrentAn entry defines one profile on one channel.
1.3.6.1.4.1.4998.1.1.15.2.8.1.1ColumncadDsOfdmProfileIfIndexnot-accessiblecurrentThe ifIndex of the channel using this profile.
1.3.6.1.4.1.4998.1.1.15.2.8.1.2ColumncadDsOfdmProfileIdnot-accessiblecurrentThe ID of a profile plus one.
1.3.6.1.4.1.4998.1.1.15.2.8.1.3ColumncadDsOfdmProfileDefBitloadread-createcurrentThe default bit-loading (modulation) for this profile. If cadDsOfdmProfileId is 256, only qpsk, qam16, and qam64 are legal. Otherwise, all but qpsk and qam0 ar…
1.3.6.1.4.1.4998.1.1.15.2.8.1.4ColumncadDsOfdmProfileRowStatusread-createcurrentThe RowStatus for controlling entries in this table.
1.3.6.1.4.1.4998.1.1.15.2.9TablecadDsOfdmProfStatTablenot-accessiblecurrentThis table provides counts and the average bits per Hertz per OFDM channel per profile.
1.3.6.1.4.1.4998.1.1.15.2.9.1RowcadDsOfdmProfStatEntrynot-accessiblecurrentAn entry provides the values for one profile on one channel.
1.3.6.1.4.1.4998.1.1.15.2.9.1.1ColumncadDsOfdmProfStatIfIndexnot-accessiblecurrentThe ifIndex of this OFDM downstream channel.
1.3.6.1.4.1.4998.1.1.15.2.9.1.2ColumncadDsOfdmProfStatProfIdnot-accessiblecurrentThe profile number plus one of this profile on this channel.
1.3.6.1.4.1.4998.1.1.15.2.9.1.3ColumncadDsOfdmProfStatAvgBitsPerSubcread-onlycurrentThe average number of bits per subcarrier times 100 across all active subcarriers on the channel, rounded to nearest hundredth. Continuous pilots and subcarrie…
1.3.6.1.4.1.4998.1.1.15.2.9.1.4ColumncadDsOfdmProfStatReqModsread-onlycurrentThe modulations used by this profile and any exceptions to this profile.
1.3.6.1.4.1.4998.1.1.15.2.9.1.5ColumncadDsOfdmProfStatEtherFrameBytesread-onlycurrentThe count of Layer 2 Ethernet frame bytes that have been sent on this channel using this specific profile.
1.3.6.1.4.1.4998.1.1.15.2.9.1.6ColumncadDsOfdmProfStatTotalCodewordsread-onlycurrentThe number of codewords sent on this channel using this specific profile.
1.3.6.1.4.1.4998.1.1.15.2.9.1.7ColumncadDsOfdmProfStat30SecCwUtilread-onlycurrentThe codeword utilization percentage of this profile on this channel. The utilization is measured over the last 30 seconds.
1.3.6.1.4.1.4998.1.1.15.2.9.1.8ColumncadDsOfdmProfStat30SecCwEffread-onlycurrentThe Efficiency percentage of this profile on this channel over the last 30 seconds (i.e,. the average number of data bits per codeword used by this profile, di…
1.3.6.1.4.1.4998.1.1.15.2.11TablecadDsOfdmProfExceptionTablenot-accessiblecurrentThis table defines exceptions to profiles on an OFDM channel.
1.3.6.1.4.1.4998.1.1.15.2.11.1RowcadDsOfdmProfExceptionEntrynot-accessiblecurrentAn entry defines one profile exception.
1.3.6.1.4.1.4998.1.1.15.2.11.1.1ColumncadDsOfdmProfExceptionIfIndexnot-accessiblecurrentThe ifIndex of the channel using this profile.
1.3.6.1.4.1.4998.1.1.15.2.11.1.2ColumncadDsOfdmProfExceptionProfIdnot-accessiblecurrentThe Id of a profile plus one.
1.3.6.1.4.1.4998.1.1.15.2.11.1.3ColumncadDsOfdmProfExceptionLowFreqnot-accessiblecurrentThe low edge frequency of a frequency range being assigned a different bit-loading type from the default for the profile.
1.3.6.1.4.1.4998.1.1.15.2.11.1.4ColumncadDsOfdmProfExceptionHighFreqread-createcurrentThe high edge frequency of a frequency range being assigned a different bit-loading type from the default for the profile.
1.3.6.1.4.1.4998.1.1.15.2.11.1.5ColumncadDsOfdmProfExceptionSkipread-createcurrentTrue if using different bit-loading for odd and even numbered subcarriers in this frequency range. False if all subcarriers in the range use the single bit-loa…
1.3.6.1.4.1.4998.1.1.15.2.11.1.6ColumncadDsOfdmProfExceptionMainBitloadread-createcurrentThe main bit-loading (modulation) for this frequency range. If skip is true, this is the bit-loading for only the even numbered subcarriers. If false, it is fo…
1.3.6.1.4.1.4998.1.1.15.2.11.1.7ColumncadDsOfdmProfExceptionOddBitloadread-createcurrentThe bit-loading (modulation) for the odd numbered subcarriers when skip is true. Ignored if skip is false.
1.3.6.1.4.1.4998.1.1.15.2.11.1.8ColumncadDsOfdmProfExceptionRowStatusread-createcurrentThe RowStatus for controlling entries in this table.
Type Definitions
NameSyntaxStatusDescription
CerOfdmModBitsTypeBITS { qam32768(0), qam16384(1), qam8192(2), qam4096(3), qam2048(4), qam1024(5), qam512(6), qam256(7), qam128(8), qam64(9), qam32(10), qam16(11), qam8(12), qpsk(13), bpsk(14), zeroBitload(15) }currentA BITS type definition the downstream OFDM/OFDMA bit-loading type.
CerOfdmModTypeINTEGER { qam0(0), qpsk(2), qam16(4), qam64(6), qam128(7), qam256(8), qam512(9), qam1024(10), qam2048(11), qam4096(12), qam8192(13), qam16384(14) }currentA type definition the downstream OFDM bit-loading type.
OfdmProfileIdInteger32 (1..3|256)currentThe legal downstream profile IDs, plus one.