ADTRAN AOS Version R10.1.0 Command Reference Manual page 1922

Command Reference Guide T1 Interface Command Set
loopback remote payload
Use the loopback remote payload command to send a loopback code to the remote unit to initiate a
payload loopback. A payload loopback is a 1.536 Mbps loopback of the payload data received from the
network maintaining bit-sequence integrity for the information bits by synchronizing (regenerating) the
timing. Use the no form of this command to send a loopdown code to the remote unit to deactivate the
loopback.
Syntax Description
No subcommands.
Default Values
No default values are necessary for this command.
Command History
Release 1.1 Command was introduced.
Functional Notes
The following diagram depicts the difference between a line and payload loopback.
T1 Network Interface
NI CSU
DS1
Payload Loopback
Line Loopback
Usage Examples
The following example initiates a remote payload loopback:
(config)#interface t1 1/1
(config-t1 1/1)#loopback remote payload
60000CRG0-35E Copyright © 2012 ADTRAN, Inc. 1922