docsIf31CmtsUsOfdmaChanSubcarrierSpacing
DOCS-IF31-MIB ·
.1.3.6.1.4.1.4491.2.1.28.1.23.1.6
Object
column
kHz SubcarrierSpacingType
This attribute defines the subcarrier spacing associated with a particular FFT mode configured on the OFDMA upstream channel.
Context
- MIB
- DOCS-IF31-MIB
- OID
.1.3.6.1.4.1.4491.2.1.28.1.23.1.6- Type
- column
- Access
- readonly
- Status
- current
- Units
- kHz
- Parent
- docsIf31CmtsUsOfdmaChanEntry
- Table
- docsIf31CmtsUsOfdmaChanTable
- Siblings
- 22
Syntax
kHz SubcarrierSpacingType
- Source
- SubcarrierSpacingType
- Base type
Integer32
Values & Constraints
Type Constraints
range: 25
range: 50
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| docsIf31CmtsUsOfdmaChanTemplateIndex The index of the UsOfdmaModulationTemplate object which the
CMTS/CCAP utilized when configuring this channel. | column | SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.1 |
| docsIf31CmtsUsOfdmaChanPreEqEnable This attribute indicates pre-equalization is enabled on the
OFDMA upstream channel when its value is true, or disabled when
its value is false. | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4491.2.1.28.1.23.1.10 |
| docsIf31CmtsUsOfdmaChanFineRngGuardband This attribute is the sum of the upper and lower guard
bands for fine ranging in Hz. | column | Hz SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.11 |
| docsIf31CmtsUsOfdmaChanFineRngNumSubcarriers This attribute is the maximum number of subcarriers for
fine ranging. | column | SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.12 |
| docsIf31CmtsUsOfdmaChanFineRngPreambleLen This attribute is the length of the OFDMA fine ranging IUC
preamble in bits. | column | bits SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.13 |
| docsIf31CmtsUsOfdmaChanInitRngGuardband This attribute is the sum of the upper and lower guard bands
for initial ranging in Hz. | column | Hz SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.14 |
| docsIf31CmtsUsOfdmaChanInitRngNumSubcarriers This attribute is the maximum number of subcarriers for
initial ranging. | column | SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.15 |
| docsIf31CmtsUsOfdmaChanInitRngPreambleLen This attribute is the maximum number of subcarriers for
initial ranging. | column | bits SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.16 |
| docsIf31CmtsUsOfdmaChanProvAttribMask This attribute provides the Provisioned Attribute Mask for
the OFDMA upstream channel. | column | DOCS-IF3-MIBAttributeMask | .1.3.6.1.4.1.4491.2.1.28.1.23.1.17 |
| docsIf31CmtsUsOfdmaChanTxBackoffStart 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 … | column | Integer32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.18 |
| docsIf31CmtsUsOfdmaChanTxBackoffEnd 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… | column | Integer32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.19 |
| docsIf31CmtsUsOfdmaChanConfigChangeCt This attribute contains the value of the Configuration
Change Count field in the Upstream Channel Descriptor (UCD) MAC
Management Message currently in use on this channel. | column | Unsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.2 |
| docsIf31CmtsUsOfdmaChanRangingBackoffStart 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
mechani… | column | Integer32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.20 |
| docsIf31CmtsUsOfdmaChanRangingBackoffEnd 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… | column | Integer32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.21 |
| docsIf31CmtsUsOfdmaChanUtilization The calculated and truncated utilization for this physical
upstream channel, accurate as of the most recent
docsIfCmtsChannelUtilizationInterval.
The upstream chann… | column | percent Unsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.22 |
| docsIf31CmtsUsOfdmaChanId This attribute is the upstream Channel Id signaled in the
DOCSIS protocol for the OFDMA upstream channel. The Channel
Id is unique within the associated MacDomain. | column | DOCS-IF3-MIBChId | .1.3.6.1.4.1.4491.2.1.28.1.23.1.23 |
| docsIf31CmtsUsOfdmaChanTargetRxPower The power of the expected commanded received signal in the channel,
referenced to the CCAP input. | column | TenthdBmV DOCS-IF-MIBTenthdBmV | .1.3.6.1.4.1.4491.2.1.28.1.23.1.3 |
| docsIf31CmtsUsOfdmaChanLowerBdryFreq This attribute provides the lower frequency for the OFDMA US
channel. | column | Hz SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.4 |
| docsIf31CmtsUsOfdmaChanUpperBdryFreq This attribute provides the upper frequency for the OFDMA US
channel. | column | Hz SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.5 |
| docsIf31CmtsUsOfdmaChanCyclicPrefix The cyclic prefix assigned to this channel for mitigating
interference due to microreflections. | column | number of samples UsOfdmaCyclicPrefix | .1.3.6.1.4.1.4491.2.1.28.1.23.1.7 |
| docsIf31CmtsUsOfdmaChanNumSymbolsPerFrame This attribute is the number of symbol periods per frame. | column | SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.28.1.23.1.8 |
| docsIf31CmtsUsOfdmaChanRollOffPeriod This attribute is the windowing roll-off period. | column | number of samples UsOfdmaRollOffPeriod | .1.3.6.1.4.1.4491.2.1.28.1.23.1.9 |