Multi-Tech Systems Modem Module MT3334SMI - Manual (Page 24)

ModemModule Developer’s Guide
MT3334SMI 24
Command: &Fn Load Factory Settings
Values: n = 0
Default: None
Description: &F0 Load factory settings as active configuration.
Note: See also the Z command.
Command: &Gn V.22bis Guard Tone Control
Values: n = 0, 1, or 2
Default: 0
Description: &G0 Disable guard tone.
&G1 Set guard tone to 550 Hz.
&G2 Set guard tone to 1800 Hz.
Note: The &G command is not used in North America.
Command: &Kn Flow Control Selection
Values: n = 0, 3, or 4
Defaults: 3
Description: &K0 Disable flow control.
&K3 Enable CTS/RTS hardware flow control.
&K4 Enable XON/XOFF software flow control.
Command: &Pn Pulse Dial Make-to-Break Ratio Selection
Values: n = 0, 1, or 2
Default: 0
Description: &P0 60/40 make-to-break ratio
&P1 67/33 make-to-break ratio
&P2 20 pulses per second
Note: The &P command is used only in Japan.
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 according
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.
at power-on or following the ATZ command.
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 passwords.
Command: &Wn Store Current Configuration
Values: n = 0
Default: 0
Description: &W0 Stores current modem settings in non-volatile 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 non-volatile memory and causes the factory defaults to be
loaded at power-on or following the ATZ command.