T1E1 Line Card
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OmniAccess 5740 Unified Services Gateway CLI Configuration Guide
Alcatel-Lucent
TROUBLESHOOTING E1 LINES
This section lists the commands to troubleshoot the E1 line cards.
C
OMMANDS TO ENABLE AND DISABLE LOOPBACK
EXAMPLE
The following configuration establishes a loopback of the incoming E1 signal on
controller E1 0:
ALU(config)#controller E1 1/0
ALU(config-controller E1)# loopback network line
The following example disables the loopback on controller E1 0:
ALU(config)# controller E1 0/0
ALU(config-controller E1)# no loopback
Command (in CCM) Description
loopback {{local|network
{line|payload}}
Use the loopback controller configuration
command to put the T1 or E1 line into
loopback mode. It can be used to verify
connectivity.
no loopback The “no” command disables the loopback
on the interface.
By default, Loopback is disabled for the
E1 lines.
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