cadIfCmtsModPreambleLen
CADANT-CMTS-UPCHANNEL-MIB ·
.1.3.6.1.4.1.4998.1.1.15.3.1.1.5
Object
column
r/w
Integer32
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.
Context
- MIB
- CADANT-CMTS-UPCHANNEL-MIB
- OID
.1.3.6.1.4.1.4998.1.1.15.3.1.1.5- Type
- column
- Access
- readwrite
- Status
- current
- Parent
- cadIfCmtsModulationEntry
- Table
- cadIfCmtsModulationTable
- Siblings
- 25
Syntax
Integer32
Values & Constraints
Object Constraints
range: 0-1536
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| cadIfCmtsModIndex An index into the Channel Modulation table representing
a group of Interval Usage Codes, all associated with the
same channel. | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.1 |
| 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 profi… | column | Integer32 | .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 o… | column | Unsigned32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.11 |
| cadIfCmtsModLastCodewordShortened Indicates if the last FEC codeword is truncated. | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4998.1.1.15.3.1.1.12 |
| cadIfCmtsModScrambler Indicates if the scrambler is employed. | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4998.1.1.15.3.1.1.13 |
| cadIfCmtsModPreambleValueOffset The preamble value offset for this modulation profile. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.14 |
| cadIfCmtsModBroadcomUwLength The WHAT | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.15 |
| cadIfCmtsModBroadcomUwPattern The WHAT | column | OctetString | .1.3.6.1.4.1.4998.1.1.15.3.1.1.16 |
| cadIfCmtsModBroadcomUwDetectionWindow The WHAT | column | OctetString | .1.3.6.1.4.1.4998.1.1.15.3.1.1.17 |
| cadIfCmtsModBroadcomUwMismatchThreshold The WHAT | column | OctetString | .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. | column | SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.19 |
| 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. | column | Enumeration | .1.3.6.1.4.1.4998.1.1.15.3.1.1.2 |
| cadIfCmtsModByteInterleaverBlockSize ATDMA Byte Interleaver Block size (Br). This object returns
zero for non ATDMA profiles | column | Unsigned32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.20 |
| cadIfCmtsModPreambleType Preamble type for DOCSIS 2.0 bursts | column | Enumeration | .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. | column | SNMPv2-TCTruthValue | .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. | column | Unsigned32 | .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. | column | SNMPv2-TCTruthValue | .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. | column | Unsigned32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.25 |
| cadIfCmtsModChannelType Describes the modulation channel type for this modulation entry. | column | DOCS-IF-MIBDocsisUpstreamType | .1.3.6.1.4.1.4998.1.1.15.3.1.1.26 |
| cadIfCmtsModControl Controls and reflects the status of rows in this table. | column | SNMPv2-TCRowStatus | .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 onl… | column | Enumeration | .1.3.6.1.4.1.4998.1.1.15.3.1.1.4 |
| cadIfCmtsModDifferentialEncoding Specifies whether or not differential encoding is used
on this channel. | column | SNMPv2-TCTruthValue | .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 t… | column | Integer32 | .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. | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.8 |
| cadIfCmtsModScramblerSeed The 15 bit seed value for the scrambler polynomial. | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.3.1.1.9 |