Omni.Net Lite User’s Guide

Table 14 AT Data Command Sets Requiring an "AT" Prefix

COMMAND

OPTION

DESCRIPTION

 

 

 

 

W2

Display user data.

 

 

 

 

W3

Display phone number of calling site and user data.

 

 

 

X

 

Enable/Disable extended result code.

 

 

 

 

X0

Basic result code (default).

 

 

 

 

X1

Extended result code.

 

 

 

Z

 

Reload user-defined profile.

 

 

 

&C

 

DCD signal control.

 

 

 

 

&C0

Follow DTR signal.

 

 

 

 

&C1

ON only if in communication (default).

 

 

 

&D

 

DTR (Data Terminal Ready) signal control.

 

 

 

 

&D0

Ignore DTR signal, assume DTR is always ON.

 

 

 

 

&D1

DTR OFF-ON transition causes dial of an outgoing call using the

 

 

first pre-stored phone number.

 

&D2

DTR OFF causes the modem to hang up (default).

 

 

 

&F

 

Restore the factory default.

 

 

 

&K

 

Set flow control mode.

 

 

 

 

&K0

Disable flow control.

 

 

 

 

&K3

Enable CTS/RTS flow control (default).

 

 

 

 

&K4

Enable XON/XOFF flow control.

 

 

 

&S

 

DSR (Data Set Ready) signal control.

 

 

 

 

&S0

Follow DTR signal (default).

 

 

 

 

&S1

Follow DCD signal.

 

 

 

&V

 

Display all data parameters settings.

 

 

 

&W

 

Save current parameters setting, include &-leading and non-

 

 

leading parameters, as user defined profile.

%D0=n

 

Select DTE baud rate when system is powered on.

 

 

n=8: 9600 bps

 

 

n=11: 19200 bps

 

 

n=13: 38400 bps

 

 

n=16: 57600 bps

 

 

n=17: 115200 bps (default)

 

 

n=21: 230400 bps

 

 

 

%D1=n

 

Select DTE attribute when system is powered on.

 

 

n=0: 8 data bits, non parity (default)

 

 

n=1: 7 data bits, even parity

 

 

n=2: 7 data bits, odd parity

 

 

 

%D2=n

 

Dial an outgoing data call automatically if there is pre-stored

 

 

dialing number after system is powered on.

 

 

n=0: do nothing (default)

 

 

n=1: auto-dial after power on

 

 

 

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Chapter 3 Using AT Commands