Avaya 8400B Plus User Manual
![Avaya](https://files.manualsbrain.com/attachments/539de53b12b0cfce0bb8cf1e3bb961e969d9f556/common/fit/150/50/0bfb423b07b431ecf5ac095ccde7771f5eac50e962dfba59f8e256280b3d/brand_logo.png)
Local Loopback Test with Self-Test
Issue 2 November 1996
D-5
NOTE:
Initiating this test disconnects a call if one is in progress.
Figure D-3. Local Loopback Test with Self-Test
Performing a Local Loopback Test with
Self-Test
Self-Test
To initiate the test, type:
AT&T8
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
Local DTE
8400B Plus
Transmitter
Test Circuit
S
W
I
T
C
H
H
Receiver
ENTER
ENTER