Allied Data Technologies TRON SECURE 33.6, Manual

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AT*Q Lock the modem
Use this command with great precaution, because once this command is
executed, it is no longer possible to enter OPERATOR MODE. The AT*O
command will be ignored, hence all commands protected by the OPERATOR
password cannot be executed. This mode of operation is also known as
PABX-mode.
Syntax:
AT*QLOCK
4.2 Auto Dial Back
AT*A Auto-dialback on/off
This command is used to switch Auto-dialback on or off.
Syntax:
AT*An (n=0 or n=1)
0 - Auto-dialback is off (default)
1 - Auto-dialback is on
Example:
AT*A1
Switch ON Auto-dialback.
Use AT*A0 to switch OFF Auto-dialback again.
AT&W must be used to store this setting in memory
AT&J Select secondline dialback
The TRON Secure 33.6 is capable of dialling back using a second telephone
line. Use the AT&J command to enable or disable the secondline dialback.
If secondline dialback is used it is not necessary to use polarity-check;
see the AT*V command.
Syntax:
AT&Jn (n=0 or n=1)
0 - Calling in and dialback through line 1
1 - Calling in through line 1, dialback through line 2 (default)
TRON SECURE 33.6
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