Multi-Tech Systems MT3334ZDX - Manual (Page 33)

3 - AT Commands, S-Registers and Result Codes
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Command: &Q n Asynchronous Communications Mode
Values: n = 0, 5, or 6
Defaults: 5
Description: &Q0 Asynchronous with data buffering. Same as \N0.
&Q5 Error control with data buffering. Same as \N3.
&Q6 Asynchronous with data buffering. Same as \N0.
Command: &S n Data Set Ready (DSR) Control
Values: n = 0 or 1
Default: 0
Description: &S0 Force DSR high (on).
&S1 Let DSR follow CD.
Command: &T n Test Commands
Values: n = 0, 1, 3 or 6
Default: None
Description: &T0 Abort. Stop any test in progress.
&T1 Local analog loop test.
&T3 Local digital loopback test.
&T6 Remote digital loopback test.
Command: &V View Current Configuration
Values: n/a
Description: Displays the active modem settings.
Command: &W n Store Current Configuration
Values: n = 0
Default: None
Description: &W0 Store active modem settings in NVRAM; load them
at power-on or following the ATZ command instead
of loading the factory defaults from ROM.
Command: &Y n Select Stored Configuration for Hard Reset
Values: n = 0
Default: 0
Description: &Y0 Select stored configuration 0 on power-up. (For
backward compatibility with some software.)
Command: &Z n=x Store Telephone Number
Values: n = 0, 1, 2 or 3
x = Dialing string
Default: None
Description: Stores telephone dial string x in memory location
n. Dial the stored number using the command
ATDS=n.