USRobotics V.34 - Manual (Page 70)

COURIER HIGH SPEED MODEMS
Fax Operations 5-1
CHAPTER 5. FAX OPERATIONS AND CALL DETECTION
FAX OPERATIONS
Compatibility
The Courier modem provides Group III-compatibility when
combined with Class 1 or Class 2.0 fax software. In addition,
the modem adheres to the following standards.
NOTE: The International Telecommunication Union (ITU-T)
was formerly the International Telegraph and Telephone
Consultative Committee (CCITT).
TIA/EIA-578 Service Class 1 Asynchronous Facsimile DCE
Control Standard
TIA/EIA-592 Service Class 2.0 Asynchronous Facsimile DCE
Control Standard
ITU-T V.17 14.4K/12K bps
ITU-T V.29 9600/7200 bps
ITU-T V.27 ter 4800/2400 bps
ITU-T V.21 300 bps
Fax Modem Guidelines
Fax operations require facsimile-compatible software that can
send or receive Group III faxes. Follow the instructions in your
fax software manual.
The modem's normal operating mode is Data mode. If your fax
software is typical, it automatically switches the modem to Fax
mode when you run the program, and resets the modem to
Data mode when you exit the program.