Reference Guide  524  Document #: LTRT-17939 
  Mediant MSBR 
Example 
This example sets active slots 2, 4 and 17, 18, 19 on t1 port 0/0. 
(conf-if-t1 0/0)# channel-group 2, 4, 17-19 
73.4.14.2  clock-source 
This command specifies the clock source on the current T1 interface. 
Syntax 
clock-source <source> 
 
Command  Description 
<source>  Defines the source of the clock: 
  ‘internal’ – clock is taken locally from WIC itself  
  ‘line’ – clock is taken from the line i.e., from the remote 
Default 
By default, the clock source is ‘line’. 
Command Mode 
Privileged User 
Example 
This example sets clock source to the internally generated on T1 Port 0/1: 
(conf-if-t1 0/1)# clock-source internal 
73.4.14.3  framing-method 
This command specifies the framing method on the current T1 interface. 
Syntax 
framing-method <framing mode> 
 
Command  Description 
<framing mode>  Defines the framing method: 
  ‘esf’ – extended super frame (F24) 
  ‘sf’ – superframe (D4) 
Default 
By default, the framing method is ‘esf’.