docsPnmCmtsDsOfdmSymFftLength
DOCS-PNM-MIB ·
.1.3.6.1.4.1.4491.2.1.27.1.3.1.1.9
Object
column
Unsigned32
This attribute is the FFT length in use by the CM for the channel; typically this value is 4096 or 8192 for the Downstream Channel.
Context
- MIB
- DOCS-PNM-MIB
- OID
.1.3.6.1.4.1.4491.2.1.27.1.3.1.1.9- Type
- column
- Access
- readonly
- Status
- current
- Parent
- docsPnmCmtsDsOfdmSymCapEntry
- Table
- docsPnmCmtsDsOfdmSymCapTable
- Siblings
- 10
Syntax
Unsigned32
Values & Constraints
Object Constraints
range: 512-512
range: 1024-1024
range: 2048-2048
range: 4096-4096
range: 8192-8192
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| docsPnmCmtsDsOfdmSymTrigEnable Setting this object to a value of 'true' instructs the CMTS to insert
a Trigger Message Block in the PLC with a Group ID matching the CM's
TriggerGroupID. The CMTS captures the Sy… | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.1 |
| docsPnmCmtsDsOfdmSymMeasStatus This attribute is used to determine the status of the measurement.
The PNM server will query this value to determine when the measurement
is complete. | column | MeasStatusType | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.10 |
| docsPnmCmtsDsOfdmSymCaptFileName This attribute is the name of the file with the captured symbol data at
the CMTS that is to be downloaded using TFTP by the PNM server.
This value can only be chang… | column | SNMP-FRAMEWORK-MIBSnmpAdminString | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.11 |
| docsPnmCmtsDsOfdmSymTrigGroupId This attribute is used by the CMTS to be inserted in the PLC Trigger
Message Block to identify a CM or a group of CMs expected to perform
Symbol Capture measurements for the desig… | column | Unsigned32 | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.2 |
| docsPnmCmtsDsOfdmSymFirstActSubCarIdx This object is used to denote the subcarrier index of the lowest
frequency of the Encompassed Spectrum for the OFDM channel. | column | Unsigned32 | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.3 |
| docsPnmCmtsDsOfdmSymLastActSubCarIdx This object is used to denote the subcarrier index of the highest
frequency of the Encompassed Spectrum for the OFDM channel. | column | Unsigned32 | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.4 |
| docsPnmCmtsDsOfdmSymRxWindowing This attribute is a flag indicating if vendor proprietary
windowing was enabled during the capture. | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.5 |
| docsPnmCmtsDsOfdmSymPlcExtTimestamp This attribute is the 64 bit value of the Timestamp that was sent by
the CMTS in the PLC frame containing the Trigger Message Block. If the
exact value of the Extended Timestamp s… | column | OctetString | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.6 |
| docsPnmCmtsDsOfdmSymTransactionId This attribute is the Transaction ID sent by the CMTS in the Trigger
Message Block. Prior to completion of a measurement this attribute has
no meaning. | column | Unsigned32 | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.7 |
| docsPnmCmtsDsOfdmSymSampleRate This attribute is the FFT sample rate in use by the CM for the
channel; typically the sample rate for the downstream channel will
be 204.8MHz. | column | Hz SNMPv2-SMIUnsigned32 | .1.3.6.1.4.1.4491.2.1.27.1.3.1.1.8 |