Command Reference Guide

322 ● t1 set loopback 3Com Router 5000 Family and Router 6000 Family
Command Reference
t1 set loopback
Purpose Use the t1 set loopback command to configure the loopback mode of the T1
channel.
Use the undo t1 set loopback command to disable loopback (default).
Syntax t1 t1-number set loopback { local | remote }
undo t1 t1-number set loopback
Parameters t1-number
Number of a T1 channel on the CPOS interface. Valid
values are 1 to 84.
local
Places the T1 channel in local loopback.
remote
Places the T1 channel in remote loopback.
Example Place T1 channel 1 in remote loopback.
<3Com > system-view
[3Com ] controller cpos 1/0/0
[3Com -Cpos1/0/0] t1 1 set loopback remote
View This command can be used in the following views:
■ CPOS Interface view
Description Loopback is used for troubleshooting purpose. Disable loopback when the device is
working normally.
T1 commands are available with the CPOS(T) interface module but not with the
CPOS(E) interface module.
Related Command display controller cpos t1