Downstream modulation – ADC CUDA 3 User Manual

Page 387

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Cuda 12000 IP Access Switch CLI-based Administration Guide

Configuring the Downstream Channel

385

Downstream Modulation

The Downstream modulation parameter sets the modulation rate for a
downstream channel. The CMTS supports the following two modulation
types.

You set the downstream modulation type by performing the following tasks.

Task

Command

1. Enter interface configuration

mode.

interface cable <c/s/i>

2. Configure modulation used on

the downstream channel. Valid
values:

qam64: Set

s the interface speed

at 30 Mbps

or

qam256:

Sets the interface

speed at 40 Mbps

downstream modulation
{qam64 | qam256}

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