Multi-Tech Systems MultiModem USB MT5634ZBA-USB - Manual (Page 28)

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MultiModemUSB User Guide
Command: &Qn Asynchronous Communications Mode
Values:
n = 0, 5, 6, 8, or 9
Default: 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.
&Q8 MNP error control mode. If MNP error control is not established, the modem falls back accord-
ing to the setting in S36.
&Q9 V.42 or MNP error control mode. If neither error control is established, the modem falls back
according to the setting in S36.
Command: &Sn 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: &Tn 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 security
is enabled. If the setup password has been entered, it also displays the callback security pass-
words.
Command: &Wn 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 after the ATZ command instead of the factory defaults. See 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: &Yn 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: &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 command
ATDS=y. See the #CBSn command. For callback security options, see Chapter 6.