Zhone 7995 ユーザーガイド
7. Testing
7-12
September 2004
7990-A2-GB20-20
Send Remote Data Channel Loopback
The local termination unit can send an Up or Down sequence to request the start
or stop of a Data Channel Loopback (DCLB) on a remote unit.
or stop of a Data Channel Loopback (DCLB) on a remote unit.
Procedure
To send a Remote DCLB:
1. Position the cursor at the Up or Down selection next to Send Remote DCLB on
the SYNC Data Port Tests screen.
2. Press the spacebar to select the desired code (Up or Down).
3. Position the cursor at the Start command next to Send Remote DCLB on the
SYNC Data Port Tests screen.
4. Press Enter.
The Status field is changed to Sending. The Up or Down sequence
transmission stops automatically after 10 seconds. You cannot stop the
sequence manually.
transmission stops automatically after 10 seconds. You cannot stop the
sequence manually.
For the loopback to activate, the remote unit must be configured to enable Network
Initiated Data Channel Loopback.
Initiated Data Channel Loopback.
02-15935-02
Port
Interface
Framer
EIA-530
Port
CAP
All Ones
Port
Interface
Framer
CAP
Local
Remote
DSL