Duplex High Speed Data
(DHSD) A term which describes a full-duplex channel that can carry 64 kilobits per second. This is the kind of service provided by an Inmarsat-B type portable earth station or a leased line (not ISDN).Last updated: 1995-02-02
Nearby terms:
dup killer ♦ duplex ♦ Duplex High Speed Data ♦ dup loop ♦ Durra ♦ dusty deck
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