USRobotics V.34 User Manual
Page 227
COURIER HIGH SPEED MODEMS
Technical Specifications K-3
Fax Standards
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.
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
SERIAL PORT RATES
115.2K, 57.6K, 38.4K, 19.2K, 9600, 4800, 2400, 1200, 300 bps
ADAPTIVE SPEED LEVELING
21.6K, 19.2K, 16.8K, 14.4K, 12K, 9600, 7200, 4800 bps
PHONE LINE INTERFACE
RJ11, RJ45S phone jacks
COMMUNICATIONS CHANNEL
Full/half duplex on 2-wire dial-up, dedicated, or leased phone
lines; demand-driven high speed channel turnaround in HST
mode; symmetrical speeds in V.32
bis mode
OPERATIONAL MODES
Synchronous/Asynchronous, Auto Dial/Answer, Manual
Originate/Answer, Smart/Dumb mode, Auto Dial/Auto
Answer, Auto Answer only, Forced Originate (MI/MIC)
Fax Modems: The above modes plus fax mode
DIALING
Dialing Rotary (pulse 0-9), Tone (DTMF 0-9, #, *), a-z when in
Quote (") Mode