Alcatel-Lucent 7210 SAS M - Page 189

TDM Commands (Applicable to 7210 SAS-M when using the CES MDA)
Page 184 7210 SAS M, T, X, R6, R12, Mxp Interface Configuration
Guide
Description This command configures the line length for the physical DS1 port on the T1/E1 card.
Default 133
line-impedance
Syntax line-impedance {75 | 100 | 120}
Context config>port>tdm
Description This command configures the line impedance of a port. Line impedance is set on a per-port basis and ports
on the same card can have different values. Before changing the line impedance of a port, the port must be
shut down.
Default 100 for DS1
120 for E1
Parameters 100 for DS1
120 or 75 for E1
channel-group
Syntax [no] channel-group channel-group-id
Context config>port>tdm>ds1
config>port>tdm>e1
Description This command creates DS0 channel groups in a channelized DS1 or E1 circuit. Channel groups cannot be
further subdivided.
The no form of this command deletes the specified DS1 or E1 channel.
Default None
Description channel-group-id — Identifies the channel-group ID number.
Values DS1: 1 — 24
E1: 1 — 32
clock-source
Syntax clock-source {loop-timed | node-timed | adaptive}
Context config>port>tdm>ds1
config>port>tdm>e1
Description This command specifies the clock source to be used for the link transmit timing. Adaptive timing is
supported only on T1/E1 CES MDA card ports used for TDM pseudowires.