Telco-Initiated Remote Line Loopback - Paradyne 8779 User Manual

8. Testing

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.
T1
DSX-1
LIU
Telco
Port
Framer
Telco-Initiated Remote Line Loopback cannot be used in cross-connect mode.
8-12
Local
CAP CAP
DSL
Framer Transceiver
May 2002
Remote
CAP CAP
Transceiver Framer Framer
T1
DSX-1
LIU
Port
AIS
99-16626
8700-A2-GB20-40