Command Reference Guide SHDSL Interface Configuration Command Set
61200510L1-35E Copyright © 2005 ADTRAN 690

inband-protocol [pn127 | v54]

Use the inband-protocol command to designate the inband loopback pattern to send/detect on the SHDSL
interface. Use the no form of this command to return to default.
Syntax Description
pn127 Selects PN127 as the inband loopback pattern to send/detect.
v54 Selects V.54 as the inband loopback pattern to send/detect.
Default Values
By default, the inband-protocol is set to v54.
Applicable Platforms
This command applies to the NetVanta 1000R, 3000, and 4000 Seri es units.
Command History
Release 4.1 Command was introduced.
Functional Notes
Inband loopbacks are specific patterns that are sent in place of user data to trigger a loopback. Both
PN127 and V.54 are industry-standard loopback patterns used to allow remote loopbacks.
Usage Examples
The following example sets the inband loopback pattern for PN127:
(config)#interface shdsl 1/1
(config-shdsl 1/1)#inband-protocol pn127