ADTRAN 5000 Series - Manual (Page 625)

Command Reference Guide T3 Interface Configuration Command Set
61200990L1-35E Copyright © 2005 ADTRAN 625
loopback network [line | payload]
Use the loopback network command to initiate a local T3 loopback on the interface toward the network.
Use the no form of this command to deactivate the loopback.
Syntax Description
line Initiates a loopback of the physical T3 network interface; that is, data received on
the T3 is transmitted back out on the T3.
payload Initiates a loopback of the T3 framer (TSU portion) of the T3 network interface.
Default Value
No default necessary for this command.
Applicable Platforms
This command applies to the NetVanta 5000 Series.
Command History
Release 6.1 Command was introduced.
Usage Example
The following example initiates a payload loopback of the T3 interface:
(config)#interface t3 1/1
(config-t3 1/1)#loopback network payload