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.
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| hairy hairy ball HAKMEM hakspek HAL | Binary Synchronous Transmission duplex EIA-485 full-duplex hdx | halftone HALGOL HALMAT Hal/S Halt and Catch Fire |
