high-level data-link control
high-level data-link control[′hī ‚lev·əl ′dad·ə ‚liŋk kən‚trōl]
A bit-oriented protocol for managing information flow in a data communications channel that supports both full-duplex and half-duplex transmission, and both point-to-point and multipoint communications using synchronous data transmission.
A communications protocol that allows devices from different manufacturers to interface with each other and standardizes the transmission of packets of information between them.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.