cadIfDsOfdmChlSubcZeroCentFreq
CADANT-CMTS-DOWNCHANNEL-MIB ·
.1.3.6.1.4.1.4998.1.1.15.2.5.1.18
Object
The center frequency of subcarrier 0. This is 102.4 MHz less than (cadIfDsOfdmChlLowFreq + cadIfDsOfdmChlHighFreq)/2 if cadIfDsOfdmChlLowFreq is divisible by 250 KHz. Otherwise, it is 102.525 MHz less than (cadIfDsOfdmChlLowFreq + cadIfDsOfdmChlHighFreq)/2.
Context
- MIB
- CADANT-CMTS-DOWNCHANNEL-MIB
- OID
.1.3.6.1.4.1.4998.1.1.15.2.5.1.18- Type
- column
- Access
- readonly
- Status
- current
- Units
- hertz
- Parent
- cadIfDsOfdmChlEntry
- Table
- cadIfDsOfdmChlTable
- Siblings
- 21
Syntax
hertz SNMPv2-SMIInteger32
- Source
- SNMPv2-SMIInteger32
- Base type
Integer32
Values & Constraints
Type Constraints
range: -2147483648..2147483647
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| cadIfDsOfdmChlIfIndex The ifIndex of this OFDM downstream channel. | column | IF-MIBInterfaceIndex | .1.3.6.1.4.1.4998.1.1.15.2.5.1.1 |
| cadIfDsOfdmChlMaxRoundTripDelay Maximum round-trip propagation delay for cable
plant in Microseconds. Should be configured for
the furthest CM in all cable groups containing
this DownChannel. Default of 800 Mi… | column | Microseconds Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.10 |
| cadIfDsOfdmChlPCNormAllowedUsage Maximum percentage of downstream resources that may be
used by non-emergency telephony services. This is also
the maximum amount of resources non-exclusively allocated
to sess… | column | percent Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.11 |
| cadIfDsOfdmChlPCNormResUsage Minimum percentage of downstream resources that may be
used by non-emergency telephony services. This is also
the maximum amount of resources exclusively allocated
to sessions… | column | percent Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.12 |
| cadIfDsOfdmChlPCEmerAllowedUsage Maximum percentage of downstream resources that may
be used by emergency telephony services. The default
is set from the globals in CadPCMibBase. | column | percent Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.13 |
| cadIfDsOfdmChlPCEmerResUsage Minimum 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 downstream
bandwid… | column | percent Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.14 |
| cadIfDsOfdmChlPCTotalAllowedUsage Maximum percentage of downstream resources that may
be used by both normal and emergency telephony services.
The default is set from the globals in CadPCMibBase. | column | percent Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.15 |
| cadIfDsOfdmChlPCPreemptionAllowed Indicates whether the system will preempt another session
for an emergency call. The default is set from the
globals in CadPCMibBase. | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4998.1.1.15.2.5.1.16 |
| cadIfDsOfdmChlRfPortBasePower The 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 port. The default is… | column | dBmV Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.17 |
| cadIfDsOfdmChlLowActSubcCentFreq The 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 value. | column | hertz SNMPv2-SMIInteger32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.19 |
| cadIfDsOfdmChlLowFreq The 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 low edge frequenc… | column | hertz Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.2 |
| cadIfDsOfdmChlHighActSubcCentFreq The 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 this value. | column | hertz SNMPv2-SMIInteger32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.20 |
| cadIfDsOfdmChlPlcLowSubcCentFreq The center frequency of the lowest frequency subcarrier of
the PLC itself. By definition, this is 2.8 MHz higher than
cadIfDsOfdmChlPlcBlkLowSubcCentFreq (i.e., the PLC block
is … | column | hertz SNMPv2-SMIInteger32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.21 |
| cadIfDsOfdmChlNumActSubc The configured number of subcarriers based on the high and low
center frequencies of the active subcarriers in the
the OFDM channel. | column | SNMPv2-SMIInteger32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.22 |
| cadIfDsOfdmChlHighFreq The 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 the high edge frequ… | column | hertz Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.3 |
| cadIfDsOfdmChlPlcBlkLowSubcCentFreq The center frequency of the lowest frequency subcarrier of
the 6 MHz encompassed spectrum containing the PLC.
Must be an integral number of Megahertz. Zero
means not configured. … | column | hertz Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.4 |
| cadIfDsOfdmChlCyclicPrefix The cyclic-prefix, converted into samples
using the sample rate of 204.8 Million samples/second. | column | samples Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.5 |
| cadIfDsOfdmChlRolloffPeriod The roll-off period used in windowing, converted into samples
using the sample rate of 204.8 Million samples/second. | column | samples Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.6 |
| cadIfDsOfdmChlTimeIntlvrDepth The 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 no time interleavin… | column | symbols Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.7 |
| cadIfDsOfdmChlSubcSpacing The subcarrier frequency width for this OFDM channel. | column | hertz Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.8 |
| cadIfDsOfdmChlContPilotScaleFactor The 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 encompassed bandwidth. | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.5.1.9 |