Appendices
MTASR3-200
65
Command: &J
n
Auxiliary Relay Control
Values: n
= 0
Default: 0
Description: &J0 The auxiliary relay is never closed.
&J1 Not supported—responds ERROR.
Command: &K
n
Local Flow Control Selection
Values:
n
= 0, 3, or 4
Defaults: 3
Description: &K0 Flow control disabled.
&K3 Enable CTS/RTS hardware flow control.
&K4 Enable XON/XOFF software flow control.
Command: &M
n
Communications Mode
Values:
n
= 0
Defaults: 0
Description: &M0 Asynchronous mode.
&M1 Reserved—responds ERROR.
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
Self-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.)
&Y1 Not supported—responds ERROR.
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
.