Chapter 14: Cable-side Configuration
STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 400
An assigned downstream channel ID
must not be assigned to any other logical
channel on the DCAM. The C4/c CMTS
does this automatically .
Channel Assignment Considerations
Prior to assigning a channel ID the following needs to be considered:
1. Before assigning a channel ID, the upstream or downstream channel, as well as the MAC domain must be shutdown.
2. The shutdowns would be accomplished by the commands shown in the following example:
Note: To change the channel ID of an upstream, the upstream's logical channel 0 (<slot>/<connector-
group>/<uport>.0) must be shutdown, as shown in the example.
configure interface cable-upstream 3/0/0.0 shutdown
configure interface cable-mac 1 shutdown
configure interface cable-downstream 12/0/0 shutdown
configure interface cable-mac 1 shutdown
3. The channel ID can now be changed.
Example Commands
The following list of commands is meant as a sample configuration. This is not a script to follow since each site and
application is different.
configure interface cable-downstream 14/0 cable cable-mac 1
configure interface cable-downstream 14/1 cable cable-mac 1
configure interface cable-downstream 14/2 cable cable-mac 1
configure interface cable-downstream 14/3 cable cable-mac 1
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