cadIfDownChannelMaxRoundTripDelay
CADANT-CMTS-DOWNCHANNEL-MIB ·
.1.3.6.1.4.1.4998.1.1.15.2.1.1.24
Object
column
r/w
Microseconds Integer32
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 1600 Microseconds is approxiamately 100 miles between the CMTS and the furthest CM.
Context
- MIB
- CADANT-CMTS-DOWNCHANNEL-MIB
- OID
.1.3.6.1.4.1.4998.1.1.15.2.1.1.24- Type
- column
- Access
- readwrite
- Status
- current
- Units
- Microseconds
- Parent
- cadIfDownstreamChannelEntry
- Table
- cadIfDownstreamChannelTable
- Siblings
- 21
Syntax
Microseconds Integer32
Values & Constraints
Object Constraints
range: 200-1600
Related Objects
Sibling Objects
| Object | Type | Syntax | OID |
|---|---|---|---|
| cadIfDownChannelId The Cable Modem Termination System (CMTS) identification
of the downstream channel within this particular MAC
interface. If the interface is down, the object returns
the most curr… | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.1 |
| cadIfCmtsCardNumber Card Number associated with this Channel. | column | CADANT-TCCardId | .1.3.6.1.4.1.4998.1.1.15.2.1.1.19 |
| cadIfDownChannelFrequency The center of the downstream frequency associated with
this channel. This object will return the current tuner
frequency. If this CMTS interface provides IF output only,
this obj… | column | hertz Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.2 |
| cadIfDownChannelCACL1Threshold Percentage 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 channel goes
into L… | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.21 |
| cadIfDownChannelCACL2Threshold Percentage 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 channel goes
into L… | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.22 |
| cadIfDownChannelCACL3Threshold Percentage of available bandwidth on the channel that can
be reserved for admitted/active service flows. A
Registration Request, DSA Request or DSC Request will be
denied due to… | column | Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.23 |
| cadIfDownChannelAnnex The value of this object indicates the conformance of
the implementation to important regional cable standards.
annexA : Annex A from ITU-J83 is used.
annexB : Annex B from ITU-J8… | column | Enumeration | .1.3.6.1.4.1.4998.1.1.15.2.1.1.26 |
| cadIfDownChannelPCNormAllowedUsage 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 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.27 |
| cadIfDownChannelPCNormResUsage 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 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.28 |
| cadIfDownChannelPCEmerAllowedUsage 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 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.29 |
| cadIfDownChannelWidth The 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
associated complian… | column | hertz Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.3 |
| cadIfDownChannelPCEmerResUsage 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 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.30 |
| cadIfDownChannelPCTotalAllowedUsage 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 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.31 |
| cadIfDownChannelPCPreemptionAllowed Indicates whether the system will preempt another session
for an emergency call. The default is set from the
globals in CadPCMibBase. | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4998.1.1.15.2.1.1.32 |
| cadIfDownChannelIfIndex the ifIndex of this downstream channel. | column | IF-MIBInterfaceIndex | .1.3.6.1.4.1.4998.1.1.15.2.1.1.37 |
| cadIfDownChannelPrimaryCapable When a row's cadIfDownChannelPrimaryCapable column is set to true(1)
then DOCSIS SYNC message generation is enabled on the downstream channel.
Otherwise, DOCSIS SYNC message gener… | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4998.1.1.15.2.1.1.38 |
| cadIfDownSpectralInversion When a row's cadIfDownSpectralInversion column is set to true(1),
then spectral inversion is enabled. Otherwise, spectral inversion
is disabled. Note that spectral inversion is … | column | SNMPv2-TCTruthValue | .1.3.6.1.4.1.4998.1.1.15.2.1.1.39 |
| cadIfDownChannelModulation The modulation type associated with this downstream
channel. If the interface is down, this object either
returns the configured value (CMTS), the most current
value (CM), or the … | column | Enumeration | .1.3.6.1.4.1.4998.1.1.15.2.1.1.4 |
| cadIfDownChannelInterleave The Forward Error Correction (FEC) interleaving used
for this downstream channel.
Values are defined as follows:
taps8Increment16(3): protection 5.9/4.1 usec,
… | column | Enumeration | .1.3.6.1.4.1.4998.1.1.15.2.1.1.5 |
| cadIfDownChannelPower The 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.
If the interface is … | column | dBmV Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.6 |
| cadIfDownChannelPowerFineAdj At the CMTS, the fine power adjustments steps to increase
or decrease the output power in incremental steps. | column | Steps Integer32 | .1.3.6.1.4.1.4998.1.1.15.2.1.1.7 |