line status lamp

line status lamp definition - telecom
A lamp that indicates the status of a line, usually steadily lit to indicate a line in use and flashing to indicate a line on hold. Line status lamps are used in key telephone systems (KTSs), where they may appear on an individual telephone set or a busy lamp field. See also busy lamp field and KTS.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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