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Command Reference

12.0(3)T

show cable modulation-proﬁle

To display modulation proﬁle group information, use the show cable modulation-proﬁle privileged

EXEC command.

show cable modulation-proﬁle [proﬁle][iuc-code]

Syntax Description

Default

No default behavior or values.

Command Mode

Privileged EXEC

Command History

Usage Guidelines

This command displays modulation proﬁle group information. A modulation proﬁle is a collection

of six burst proﬁles that are sent out in an upstream channel descriptors (UCD) message to conﬁgure a

modem’s transmit parameters for the following upstream message types: request, initial

maintenance, station maintenance, short grant, and long grant.

Sample Display

The following is sample output from the show cable modulation-proﬁle command:

router# show cable modulation-profile 1

Mo IUC Type Preamb Diff FEC FEC Scrambl Max Guard Last Scrambl Preamb

length enco T CW seed B time CW offset

bytes size size size short

1 request qpsk 64 no 0x0 0x10 0x152 1 8 no yes 56

1 initial qpsk 128 no 0x5 0x22 0x152 0 48 no yes 0

1 station qpsk 128 no 0x5 0x22 0x152 0 48 no yes 0

1 short qpsk 72 no 0x5 0x4B 0x152 0 8 no yes 48

Table 3 describes the ﬁelds shown in the show cable modulation-proﬁle display.

proﬁle (Optional) Proﬁle number. Valid values are from 1 to 8.

iuc-code (Optional) Internal usage code. Valid options are:

initial Initial Ranging Burst

long Long Grant Burst

request Request Burst

short Short Grant Burst

station Station Ranging Burst

Release Modiﬁcation

11.3 XA This command was ﬁrst introduced.

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Cisco 7246 - uBR Router Manual de usuario Pagina 50