equivalent four-wire system

equivalent four-wire system

[i′kwiv·ə·lənt ¦fȯr ¦wīr ′sis·təm]
(communications)
A transmission system in which multiplex techniques are used to carry on duplex operation over a single pair of wires.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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