hdx ⇝

half-duplex

<communications>

(hdx, from telegraphy) 1. A type of communication channel using a single circuit which can carry data in either direction but not both directions at once.

Compare: simplex, full-duplex.

2. An obsolete term for local echo.

Last updated: 2001-07-21

Nearby terms:

HAKMEM ♦ hakspek ♦ HAL ♦ half-duplex ♦ halftone ♦ HALGOL ♦ HALMAT ♦ Hal/S

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