half-duplex

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half-duplex

The transmission of data in both directions, but only one direction at a time. For example, two-way radio (push-to-talk phones) use half-duplex communications. When one party speaks, the other party listens. Contrast with full-duplex. See push-to-talk.

(communications)

half-duplex - (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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duplex
half-duplex circuit
HDX

pseudo-duplexing
V.17
V.23

The interface standard allows for a data transfer rate of up to 400 MB/s half-duplex and up to 800 MB/s full-duplex, per port.

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In fact, media converters can function in either half-duplex or full-duplex mode.

USING MEDIA CONVERTER TECHNOLOGY FOR COPPER TO FIBRE CONNECTIVITY by Stange, Stephen / Computer Technology Review

Convert to Cellular -- Gives users the ability to convert a half-duplex PTT conversation to a full-duplex group conference call.

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