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About Your Modem
Communication Setup Options
If you run into configuration difficulties with your communication
software, it may be helpful to read the following section.
In setting up some older software programs, you may be asked to
enter certain information. Most programs have default settings that
are correct for use with this modem, and there is no need to change
them. However, you should be aware of the following items:
If you are asked to select the “modem type” from a menu, and you
don’t see this modem listed by name, select the most descriptive
name such as V.92 modem, 56K modem, or generic Class 1
Modem.
In the dialing directory, set all entries to the highest possible baud
rate, if your software and serial port support these speeds (do not go
over 115,200 bps). All communications between the computer and
the faxmodem take place at this higher speed, independent of the
modem-to-modem speed.
If your fax software gives you the option of selecting Class 1 or
Class 2 fax drivers, select Class 1.
Initialization strings and AT
commands
An initialization string is a group of AT command settings that is sent
to the modem as soon as you start up the software. The software
determines which commands should be included in the initialization
string, based on the device you select during installation. The
commands remain in effect throughout the communications session,
unless the software sends other commands to override them.
The software uses other AT command strings for all commands sent
to the modem. This is transparent to you—the software does this in
the background without you being aware of it.
It is sometimes necessary, however, to add other AT commands to
initialization strings. You can find a table of AT commands on the