Zhone 7995 Guida Utente
7. Testing
7990-A2-GB20-20
September 2004
7-5
G.703 DTE Loopback (Model 7996)
A G.703 DTE Loopback loops the G.703 signal back to itself, retaining bipolar
violation (BPV) transparency. Alarm Indication Signal (AIS) is sent to the DSL port
while the DTE Loopback is active.
violation (BPV) transparency. Alarm Indication Signal (AIS) is sent to the DSL port
while the DTE Loopback is active.
Procedure
To run a G.703 DTE Loopback:
1. Position the cursor at the Start command next to G.703 DTE Loopback on the
DSL & 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 and press Enter.
The G.703 DTE loopback cannot be started when any other loopback test is
in progress.
in progress.
DSL
Port
Port
G.703
Port
Port
E1
LIU
Framer
Framer
Transceiver
02-17128
All Ones