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data carrier detect stresses
IT	обнаружен информационный сигнал
progr.	сигнал RLSD (ssn); сигнал DCD (ssn)
data carrier detected:
Gruzovik, signall.	сигнал несущей обнаружен (abbr. DCD)
English thesaurus
Data Carrier Detected
abbr.	DCD (Vosoni)
Data Carrier Detect
abbr.	DCD (EIA RS-232-C; sometimes CD (q.v.))
IT, abbr.	DCD (MODEM, RS-232); DCD (sometimes CD (q.v.), EIA RS-232-C)
telecom., abbr.	DCD

Data Carrier Detected: 2 phrases in 2 subjects

Computer networks	1
Internet	1