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US Robotics 9600 HST
by Mike/Helvetica Sysop

USRobotics 9600 HST Hardware report

The Courier HST (High Speed Technology) modem, designed for use on voice-grade, dial-up telephone circuits, provides full duplex 9600-bps data communication through an asymmetrical frequency division of the telephone channel direction automatically assigned according to data flow demand. At the 9600-bps, Courier HST uses 32-state Trellis Coded Modulation, an advanced technology which enables the modem to achieve maximum speed over a wide range of dial-up line conditions. A proprietary error- and flow-control protocol allows Courier HST to transmit up to 1,100 characters a second, error free, over local and long-distance telephone circuits.

Modem users will find the Courier HST easy to operate. It uses an extended version of the industry standart "AT" command set, and works with most popular data communications software. The modem incorporates the same user features as USRobotics Courier 2400 modem. It also automatically falls back to 2400, 1200 or 300 bps in both answering and originating calls to connect with nearly any modem.

This article originally appeared in the Amiga diskmagazine "Zine #4" by Brainstorm 1990.

Some content may refer to activities that are illegal in some countries. BitFellas does not support such activity.
Addresses and other contact information were only valid when this magazine was originally published, in april of 1990.

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