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carrier detect[′kar·ē·ər di‚tekt]
A signal sent by a modem to a computer or a terminal to indicate that it is receiving a character.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
carrier detectA signal that indicates a connection has been made by sensing a carrier frequency on the line. See RS-232 and modem.
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