US Robotics COURIER User Manual page 201

COURIER HIGH SPEED MODEMS
CCITT V.42 error control protocol at 14.4K, 12K, 9600, 7200, 4800
bps (V.32 bis mode) and at 2400/1200 bps
CCITT V.42 bis data compression (all modes and speeds of 1200
bps and higher)
Microcom Networking Protocol (MNP) error control protocol,
Levels 2-4at14.4K, 12K, 9600, 7200, 4800 bps (V.32 bis mode) and
at 2400/1200 bps
Microcom Networking Protocol (MNP) Level 5 data
compression (all modes and speeds of 1200 bps and higher)
DB-25 RS-232 terminal/modem interface
Superset of industry standard AT command set, S-registers, DIP
switches
Optional Ml/MIC closure
Optional pulsed DSR
DTE (SERIAL PORT) RA TES
57.6K, 38.4K, 19.2K, 9600, 4800, 2400, 1200, 300, 110 bps
LINK RATES
Data Mode: 16.8K (HST only), 14.4K, 12K, 9600, 7200, 4800,
2400, 1200, 300, 110 bps
Fax Mode: 9600, 7200, 4800, 2400, 300 bps
ADAPTIVE SPEED LEVELING
16.8K (HST only), 14.4K, 12K, 9600, 7200, 4800 bps
PHONE LINE INTERFACE
RJl 1, 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
H-2 Technical Specifications
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