Avaya 8400B Plus 用户手册
Remote Loopback Test with Self-Test
Issue 2 November 1996
D-9
Figure D-5. Remote Loopback Test with Self-Test
Performing a Remote Loopback Test with
Self-Test
Self-Test
To initiate the test, set up a data call and escape to command mode (
+++
). Then
type:
AT&T7
This test will continue for the period of time indicated in S-register
S18
. To
terminate the test before the test timer expires, type:
AT&T0
The system responds with the error count, then the completion signal:
000
OK
OK
Remote DTE
Local DTE
8400B Plus
Transmitter
Test Circuit
Receiver
Remote
Data Endpoint
Receiver
Transmitter
S
W
I
T
C
H
H
ENTER
ENTER