(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).
(1995-02-02)
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Nearby terms: Dungeon « dup killer « duplex « Duplex High Speed Data » dup loop » Durra » dusty deck
