Filter
Top Products
Remote Loopback Test
Issue 2 November 1996
D-7
Local Loopback Test with Self-Test to isolate the source of the problem between
the data terminal equipment and the 8400B Plus Data Module’s EIA interface or
the communications channel.
Figure D-4. Remote Loopback Test
Performing a Remote Loopback Test
To initiate the test, set up a data call and escape to command mode (+++). Then
type:
AT&T6
The system responds with:
OK
This test will continue for the period of time indicated in S-register S18.
To terminate the test before the test timer expires, type:
+++
Remote DTE
8400B Plus
Remote
Data Endpoint
Local DTE
Transmitter
Receiver
Characters
Received
Characters
Sent
S
W
I
T
C
H
Transmitter
Receiver
ENTER