HP ProCurve 7102dl Reference Manual page 709

SROS Command Line Interface Reference Guide T1 Interface Configuration 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 defaults necessary for this command.
Functional Notes
The following diagram depicts the difference between a line and payload loopback.
Usage Examples
The following example initiates a remote payload loopback:
ProCurve(config)#interface t1 1/1
ProCurve(config-t1 1/1)#loopback remote payload
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