Synchronous Data Link Control

<communications>

(SDLC) An IBM protocol.

A discipline conforming to subsets of the ADCCP of ANSI and the HDLC of the International Organization for Standardization. SDLC manages synchronous, code-transparent, bit-serial communication which can be duplex or half-duplex; switched or non-switched; point-to-point, multipoint, or loop.

Compare Binary Synchronous Communication.

Last updated: 1995-03-22

Nearby terms:

Synchronous Data Link ControlSynchronous Digital Hierarchy

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