Specifications

Table of Contents
Determining RF or Configuration Issues On the CMTS................................................................................1
Introduction.............................................................................................................................................1
Before You Begin...................................................................................................................................1
Conventions......................................................................................................................................1
Prerequisites.....................................................................................................................................1
Components Used.............................................................................................................................2
RF Plant Troubleshooting Rules.............................................................................................................2
Cable Show Commands for RF Problems..............................................................................................3
DOCSIS Cable Upstream RF Specifications...................................................................................4
DOCSIS Cable Downstream RF Specifications..............................................................................5
Notes for Tables...............................................................................................................................6
Checking the Downstream...............................................................................................................6
Checking the Upstream....................................................................................................................8
Using the Flap List for Diagnosing RF Problems.................................................................................15
Related Information..............................................................................................................................16
Cisco − Determining RF or Configuration Issues On the CMTS
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