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USRobotics V.34 User Manual

Page 227

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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