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Telco-initiated remote line loopback – Paradyne 8784 User Manual

Page 61

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5. Testing

8784-A2-GB20-30

February 2001

5-11

Telco-Initiated Remote Line Loopback

If Remote Telco Loopback is enabled, a Telco-initiated line loopback loops
received data at the remote unit and passes it back to the Telco through the local
unit.

The following figure shows the data flow for a remote Telco-initiated payload
loopback.

CAP

DSX-1
Port

CAP

T1

LIU

Framer

Framer

Transceiver

98-16109

CAP

CAP

T1

LIU

Framer

Framer

Transceiver

Telco

Local

Remote

DSX-1
Port

AIS

DSL