US Robotics COURIER - Page 20

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Bell 212A
CCITTV.23
CCITTV.25
Bell 103
CCITT V.42
COURIER HIGH SPEED MODEMS
1200 bps (also CCITT V.22)
1200 bps with 75 bps back channel (British
phone system)
Answer sequence for calls originating outside
the U.S. and Canada
300 bps ( CCITT V .21 optional)
LAPM error control, 1200 bps and higher
CCITT V.42 bis Data compression, 1200 bps and higher
MNP Levels 2, 3 and 4 error control, level 5 data
compression, 1200 bps and higher
CCITT V.54 Analog, digital and remote digital loopback
testing
Fax Modems
TIA/EIA-578 Service Class 1 Asynchronous Facsimile DCE
Control Standard
CCITT V .29 9600 I 7200 bps
CCITT V.27 ter 4800/2400 bps
CCITT V.21 300 bps
Other compatibility features include the following standards and
certification:
• Can be used with any computer or terminal that is com-
patible with the RS-232 standard interface.
• Can be used with any computer or terminal that uses
ASCII, the standard character code supported by most
equipment manufacturers.
• Connects in synchronous mode at standard rates with
any system using a synchronous protocol compatible
with your synchronous interface equipment.
• Is fully FCC- and DOC-certified for the uses described in
this manual.
Features and Compatibility 1-5