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MT5634ZBA-USB User Guide
Command: &S
n
Data Set Ready (DSR) Control
Values:
n
= 0 or 1
Default: 0
Description:&S0 Force DSR always high (on).
&S1 Let DSR go high only during a connection.
Command: &T
n
V.54 Test Commands
Values:
n
= 0, 1, 3 or 6
Default: None
Description:&T0 Abort. Stop any test in progress.
&T1 Local analog loopback test.
&T3 Local digital loopback test.
&T6 Remote digital loopback test.
Note: To stop a test, you must use the escape sequence (+++AT) before typing AT&T0.
Command: &V Display Current Settings
Values: n/a
Description: Displays the active modem settings, including the callback security settings if callback se-
curity is enabled. If the setup password has been entered, it also displays the callback secu-
rity passwords.
Command: &W
n
Store Current Configuration
Values:
n
= 0
Default: None
Description:&W0 Stores current modem settings in nonvolatile memory and causes them to be loaded at
power-on or following the ATZ command instead of the factory defaults. See also the
&F
command.
&W1 Clears user default settings from nonvolatile memory and causes the factory defaults to be
loaded at power-on or following the ATZ command.
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 soft-
ware.)
&Y1 Not supported—responds
ERROR
.
Command: &Zy
=x
Store Dialing Command
Values:
y
= 0–3 (callback security disabled) or 0–29 (callback security enabled)
x = Dialing command
Default: None
Description: Stores dialing command
x
in memory location
y
. Dial the stored number using the com-
mand ATDS=y. See also the
#CBSn
command. For callback security options, see Chapter
6.
Command: \A
n
Select Maximum MNP Block Size
Values:
n
= 0, 1, 2, or 3
Default: 3
Description:\A0 64-character maximum.
\A1 128-character maximum.
\A2 192-character maximum.
\A3 256-character maximum.