Testing

Repeater Loopback

Repeater Loopback (RLB) loops the signal being sent from the DTE port back to the DTE port. Also, for DSX-1 models, if the DSX-1 port is in Bypass mode or a DS1 cross-connection, the corresponding DSL port is sent all ones and data received on the DSL link is ignored.

DSL

Port

AIS

CAP

CAP

T1/E1

 

 

 

LIU

DSX-1

 

 

or G.703

 

 

 

Port

Transceiver

Framer

Framer

 

 

 

 

99-16613

"Procedure

To run a Repeater Loopback:

1.Position the cursor at the Start command next to Repeater Loopback on the Network & DSX-1 or Network & G.703 Tests screen.

2.Press Enter.

The Start command is changed to Stop.

3.To manually stop the test, verify that the cursor is positioned at the Stop command.

4.Press Enter.

A Repeater Loopback cannot be started when any other loopback test is in progress.

NOTE:

Activating the Repeater Loopback test causes the Embedded Operations Channel (EOC), used for management, to be lost to the remote unit.

8700-A2-GB20-00

April 2000

8-5

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Paradyne 8777, 8747, 8779, Hotwire M/SDSL and HDSL2 Termination Units manual Repeater Loopback