Command Reference Guide

328 ● t1 shutdown 3Com Router 5000 Family and Router 6000 Family
Command Reference
t1 shutdown
Purpose Use the t1 shutdown command to shut down a T1 line on the CT3 interface.
Use the undo t1 shutdown command to open a T1 line.
Syntax t1 line-number shutdown
undo t1 line-number shutdown
Parameters line-number
T1 line number. Valid values are 1 to 28.
Default By default, T1 lines are open.
Example Shut down the first T1 line on the T3 interface.
[3Com -T3 1/0/0] t1 1 shutdown
View This command can be used in the following views:
■ CT3 Interface view
Description This command will affect not only the specified T1 line but also the serial interfaces
formed by bundling timeslots on the T1 line. Executing the
t1 shutdown command
on the specified T1 line will shut down all these serial interfaces. Data transmission
and receiving will stop as a result. Likewise, executing the
undo t1 shutdown
command will re-enable all these serial interfaces.