US Robotics COURIER User Manual page 153

COURIER HIGH SPEED MODEMS
FAX OPERATIONS
FAX MODEM GUIDELINES
Using your fax modem for facsimile operations requires
compatible facsimile application software.
You can use the following command format to switch between
fax mode and data mode. (Use as you would a standard AT
command.)
AT +FCLASS=n
The valid n values are 0 and 1. Use n = 0 (AT+FCLASS=O) to
switch the fax modem to data mode. Use n = 1 (AT +FCLASS=l)
to switch the fax modem to fax mode.
To determine which mode the fax modem is currently in, use the
following command.
AT+FCLASS?
The modem will return a value of 0 to indicate data mode or 1 to
indicate fax mode.
NOTE: Whenever the fax modem is reset by using the ATZ
command, by toggling the DTR signal, or by turning the power
off and on, the modem will be set to data mode.
A NOTE TO PROGRAMMERS
If you want to know more about the supported fax commands,
refer to the standard for the Service Class 1 fax protocol.
ANSI/EIA/TIA-578-1990 (EIA-578)
Asynchronous Facsimile DCE Control Standard
November, 1990 Approved: October 22, 1990
You can obtain a copy of this standard by contacting Global
Engineering Documents; at 1-800-854-7179.
E-2 Fax and Other Operations
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