5. Testing
8774-A2-GB20-40
February 2001
5-3
Line Loopback
A Line Loopback (LLB) loops the received signal on the network interface back to
the network without change.
Procedure
To run a Line Loopback:
1. Position the cursor at the Start command next to Line Loopback on the
Network & DSX-1 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.
The Line Loopback cannot be started when another loopback or pattern test is
in progress.
CAP
DSL
Port
DSX-1
Port
CAP
T1
LIU
Framer
Framer
Transceiver
AIS
98-16112
Summary of Contents for Hotwire 8774
Page 24: ...2 Using the Asynchronous Terminal Interface 2 10 February 2001 8774 A2 GB20 40 ...
Page 62: ...5 Testing 5 12 February 2001 8774 A2 GB20 40 ...
Page 68: ...6 Messages and Troubleshooting 6 6 February 2001 8774 A2 GB20 40 ...
Page 100: ...D Technical Specifications D 2 February 2001 8774 A2 GB20 40 ...