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VulcanSphere (talk | contribs) Adding local short description: "Control signal", overriding Wikidata description "control signal in RS-232 serial communications" (Shortdesc helper) |
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{{Short description|Control signal}}
'''Data Terminal Ready''' ('''DTR''') is a [[control signal]] in [[RS-232]] serial communications, transmitted from data terminal equipment (DTE), such as a computer, to data communications equipment (DCE), for example a [[modem]], to indicate that the terminal is ready for communications and the modem may initiate a communications channel.
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