Definition

half-duplex

Half-duplex data transmission means that data can be transmitted in both directions on a signal carrier, but not at the same time. For example, on a local area network using a technology that has half-duplex transmission, one workstation can send data on the line and then immediately receive data on the line from the same direction in which data was just transmitted. Like full-duplex transmission, half-duplex transmission implies a bidirectional line (one that can carry data in both directions).

Related glossary terms: system administrator (sysadmin), ring, Internet, keystone jack, corporate area network (CAN), port, home server, LANDesk Client Manager (LDCM), HomeRF (home radio frequency), local access and transport area (LATA)

This was last updated in April 2005

Posted by: Margaret Rouse

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