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HAPTER 18: CONFIGURING CABLE MODEM TERMINATION SYSTEMS
Configuring Downstream Parameters
Downstream channel configuration is described in the following sections:
Annex Type
The downstream channel Annex Type parameter supports MPEG framing
format for DOCSIS and EuroDOCSIS modules. The Cuda 12000
automatically detects MPEG framing format, as follows:
■ Annex A — Indicates an MPEG framing format for a EuroDOCSIS
module.
■ Annex B — Indicates an MPEG framing format for a DOCSIS module.
Downstream Shutdown
The Downstream Shutdown parameter sets the state of the downstream
channel to up or down. Up indicates that the channel is active; down
indicates that the channel is inactive. By default, the channel should be
down, unless a prior configuration exists with the channel in the active state.
Perform the following tasks to set the downstream channel status.
Task Command
1. Enter interface cable mode. interface cable <c/s/i>
2. Set the downstream status to up. downstream no shutdown
3. Set the downstream status to
down.
downstream shutdown