data line monitor
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data line monitor[¦dad·ə ‚līn ′män·əd·ər]
A test instrument that analyzes the signals transmitted over a communications line and provides a visual display or stores the results for further analysis, or both.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
data line monitorIn communications, a test instrument that analyzes the signals and timing of a communications line. It either visually displays the patterns or stores the activity for further analysis.
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