Command Reference Guide

SROS Command Line Interface Reference Guide DSX-1 Interface Configuration Command Set

loopback remote line inband

Use the loopback remote line inband command to send a loopback code to the remote unit to initiate a

line loopback. Use the no form of this command to send a loopdown code to the remote unit to deactivate

the loopback.

Syntax Description

inband Uses the inband channel to initiate a full 1.544 Mbps physical loopback (metallic

loopback) of the signal received from the network.

Default Values

No defaults necessary for this command.

Command Modes

(config-t1 1/1)# T1 or DSX-1 Interface Configuration Mode required.

(config-t1 1/2)#

Functional Notes

A remote loopback can only be issued if a bind does not exist on the interface and if the signaling mode is

set to none. The following diagram depicts the difference between a line and payload loopback.

Usage Examples

The following example initiates a remote line loopback using the inband channel:

(config)#interface t1 1/2

(config-t1 1/2)#loopback remote line inband

T1 Network Interface

DS1

NI CSU

Payload Loopback

Line Loopback