Cisco MC16S User Manual

Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 1Cisco uBR7200 Series MC16S CableModem Card Spectrum ManagementSpectrum Management Ov

Spectrum Management Overview1012.0(7)XR2Specifies the spectrum group number. (The valid range is 1 to 32.)If the time parameter is present, then the fr

Two-Way Cable Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 11“Shared” indicates that upstream ports must share the same spectrum, a

Spectrum Management Overview1212.0(7)XR2Enable frequency agility and spectrum management of the upstream frequency and power. Theglobal spectrum group

Benefits Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 13Checking Your Settings and Reviewing Your Configuration ChangesYou can check

Supported Platforms1412.0(7)XR2Related Features and TechnologiesTable 1 lists the Cisco IOS universal broadband router features related to the scope o

Supported Standards, MIBs, and RFCs Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 15MIBsTable 2 lists the MIBs necessary to support

Command Reference1612.0(7)XR2Command ReferenceThis section documents commands necessary to configure upstream cable interfaces for spectrummanagement.

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 17cable modulation-profi

Command Reference1812.0(7)XR2DefaultModulation profile 1Command ModeGlobal configurationCommand HistoryExampleThe following example to specifies a FEC co

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 19cable spectrum-groupF

Spectrum Management Overview212.0(7)XR2Two-Way CableThe Cisco uBR7200 series universal broadband routers divide a cable network into downstream andups

Command Reference2012.0(7)XR2DefaultNone.Command ModeGlobal configurationCommand Historyparameter The spectrum group values that can be changed or adde

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 21ExampleSee the follow

Command Reference2212.0(7)XR2Related CommandsCommand Descriptioncable modulation-profile Specifies the center frequency for a given upstream cable inter

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 23cable upstream channe

Command Reference2412.0(7)XR2Default1600000 (1280 Ksymbols/sec)Command ModeCable interface configurationCommand HistoryExampleSee the following example

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 25cable upstream freque

Command Reference2612.0(7)XR2See the following example to specify a center frequency of 24.016 MHz on upstream interfaceport 0:Router(config-if)# cabl

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 27cable upstream hoppin

Command Reference2812.0(7)XR2cable upstream hopping blind Configures preset modulation profiles that you can apply to one or moreupstream cable interfac

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 29cable upstream power-

Two-Way Cable Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 3Upstream SignalsThe upstream channel is characterized by many cable mod

Command Reference3012.0(7)XR2Command HistoryExampleThe following example configures a power level of 2 dBmV to upstream cable interface 0:Router(config

Configuring Spectrum Management on an Upstream Cable Interface Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 31cable upstream shutdo

Debug Commands3212.0(7)XR2Related CommandsDebug CommandsThis section documents the new debug cable hw-spectrum command. All other commands usedwith th

debug cable hw-spectrum Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 33debug cable hw-spectrumTo display debug messages for spectru

Debug Commands3412.0(7)XR2

Spectrum Management Overview412.0(7)XR2Frequency Management PolicyDue to the nature of CATV technology, upstream noise management is a significant issu

Two-Way Cable Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 5Spectrum Management Configuration GuidelinesThis section presents tips,

Spectrum Management Overview612.0(7)XR2In this example, ten combiner groups are served with frequency hop tables from three spectrumgroups:Cable3/0DS

Two-Way Cable Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 7• Spectrum Group 1—This group is non-shared. Upstream RF domains exist

Spectrum Management Overview812.0(7)XR2For example, if the allocation is from 20.0 to 28.0 MHz and an upstream port has its channel widthset to 0.2 MH

Two-Way Cable Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management 9The system will not hop endlessly, because one cable modem is generatin