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duplex - technical definition
- Two-way, or duplex, transmission over a single physical circuit. Duplex transmission can be either half-duplex or full duplex in nature, depending on the communications protocol. Half-duplex transmission is in both directions, but only one direction at a time. Full duplex transmission is simultaneous transmission in both directions. See also half-duplex, full-duplex, and simplex.
- A fiber optic system physical configuration that employs two fibers, one for transmission in each direction. Passive optical network (PON) standards, for example, include a duplex configuration option. See also PON and simplex.
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