Plesiochronous Definition
adjective
(communication) Almost, but not quite, synchronous.
The DS-3 standard uses bit stuffing to allow the clocks of its tributaries to be plesiochronous.
Wiktionary
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From the Greek plesio, meaning near, and chronos, meaning time, plesiochronous communications involves devices running at nominally the same rate. Plesiochronous networks comprise subnetworks and devices that are free-running, although at approximately the same rate and within defined parameters of tolerance for variation. Much as clocks and watches run at approximately the same rate, devices in a digital network are free-running, with some running at a slightly faster or slower pace.
Webster's New World Telecom
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Origin of Plesiochronous
From Ancient Greek πλησίον (plÄ“sion, “near") + χρόνος (khronos, “time").
From Wiktionary
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