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COURIER HIGH SPEED MODEMS
Technical Specifications K-1
APPENDIX K. TECHNICAL SPECIFICATIONS
Your modem uses multiple standard modulation protocols and
is also compatible with many nonstandard schemes.
V.34
28.8K, 26.4K, 24K, 21.6K, 19.2K, 16.8K, 14.4K, 12K, 9600, 7200,
4800, and 2400 bps asynchronous Trellis Coded Modulation
(TCM)
V.Fast Class (V.FC)
28.8K, 26.4K, 24K, 21.6K, 19.2K, 16.8K, 14.4K bps asynchronous
Trellis Coded Modulation (TCM)
U.S. Robotics V.32 terbo
21.6K, 19.2K, 16.8K, 14.4K. 12K, 9600, 7200 bps asynchronous,
19.2K, 16.8K, 14.4K. 12K, 9600, 7200 bps synchronous, Trellis
Coded Modulation (TCM)
4800 bps, synchronous/asynchronous, Quadrature Amplitude
Modulation (QAM)
U.S. Robotics High Speed Technology (HST)
16.8K, 14.4K, 12K, 9600, 7200 bps, synchronous/asynchronous,
asymmetrical, 450 bps back channel with automatic handshake
adjustment to 300 bps, Trellis Coded Modulation (TCM),
Quadrature Amplitude Modulation (QAM)
4800 bps, synchronous/asynchronous, asymmetrical, 450 bps
back channel with automatic handshake adjustment to 300 bps,
Quadrature Amplitude Modulation (QAM)
ITU-T V.32 bis
14.4K. 12K, 9600, 7200 bps, synchronous/asynchronous, Trellis
Coded Modulation (TCM)
4800 bps, synchronous/asynchronous, Quadrature Amplitude
Modulation (QAM)