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2.8 Where To Go From Here
You should familiarize yourself with the functions
available from the included software by reading its
manual. You will be accessing most, if not all, of the
modem's functions from this software. You may also use
any other commercially available communication soft-
ware with the modem. Read Section 3 only if you are
interested in accessing the modem manually, and not
through the included software. Section 4 and 5 contain
reference material, and can be skipped. If you have
difficulties getting your modem to work, read Section 6
Troubleshooting,
to find answers to commonly asked
questions and problems.
Section Three - AT Command Set
3.1 Executing Commands
Commands are accepted by the modem while it is in
Command Mode. Your modem is automatically in Command
Mode until you dial a number and establish a connection.
Commands may be sent to your modem from a PC running
communication software or any other terminal devices.
Your modem is capable of data communication at rates
of: 300, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400,
57600 and 115200 bps. Make sure your COM port baud rate
settings in your communications software is set to one of the
above speeds.
3.2 Command Structure
All commands sent to the modem must begin with
AT and end with ENTER. All commands may be typed in
either upper or lower case, but not mixed. To make the
command line more readable, spaces may be inserted
between commands. If you omit a parameter from a
command that requires one, it is just like specifying a
parameter of 0.
Example:
ATH [ENTER]
This command causes your modem to hang up.