3Com Router 3031, Command Reference Manual

Page: 201 / 838

Fundamental CT3 Interface Configuration Commands 201
t1 set clock
Syntax
t1 line-number set clock { master | slave }
undo t1 line-number set clock
View
CT3 interface view
Parameter
line-number: T1 line number in the range of 1 to 28.
master: Adopts the internal clock.
slave: Adopts the line clock.
Description
Using the t1 set clock command, you can set the clock mode for a T1 line on a
CT3 interface. Using the undo e1 clock command, you can restore the default
setting.
By defaults, the T1 lines on a CT3 interface adopt line clock.
The E1 lines on a CE3 interface working in channelized mode are allowed to use
separate clocks.
Example
Configure the first T1 line on the T3 interface to adopt line clock.
[3com-T3 1/0/0]t1 1 set clock slave
t1 set frame-format
Syntax
t1 line-number set frame-format { esf | sf }
undo t1 line-number set frame-format
View
CT3 interface view
Parameter
line-number: T1 line number in the range of 1 to 28.
esf: Set the T1 line to use the Extended Super Frame (ESF) format.
sf: Set the T1 line to use the Super Frame (SF) format.