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data carrier detected

micr. DCD (A signal in serial communications that is sent from a modem to its computer to indicate that the modem is ready for transmitting)
 Anglais glossaire
Data Carrier Detected
abrév. DCD (Vosoni)
Data Carrier Detect
abrév. DCD (EIA RS-232-C; sometimes CD (q.v.))
informat., abrév. DCD (MODEM, RS-232); DCD (sometimes CD (q.v.), EIA RS-232-C)
téléc., abrév. DCD