AT&T 7400B Plus User Manual page 129

DEFINITY Communications System
7400B Plus Data Module
User´s Guide
Symptom
The AA LED flashes but
the 7400B Plus does not
automatically answer
the incoming call.
Problem
The automatic answer
option is not enabled;
when there is no
incoming call, the AA
LED is off.
The automatic answer
option is enabled; the
AA LED is on when
there is no incoming
call, but the terminal
device is not ready (TR
LED is off).
The automatic answer
option is enabled; the
AA and TR LEDs are lit,
but the POWER/TEST
lamp is flashing,
indicating that the
7400B Plus is in a local
loopback test mode.
CHAPTER 5: TROUBLESHOOTING
Solution
From the command mode, type
ats0=1 ( )
Enter
to turn on the automatic answer
feature. Set the value following
the equal sign (1 in the example)
to the ring number on which
you want the 7400B Plus to
answer an incoming call. The
automatic answer feature is
turned off by setting this value
to 0.
If the local terminal is a PC,
configure the communications
software to turn on the DTR
lead, or set the 7400B Plus to
ignore the DTR lead by typing
at&d0 ( )
Enter
Terminate the local loopback
test by typing
at&t0 ( )
Enter
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