A call control signal transmitted by the data circuit -terminating equipment ( DCE ) to the data terminal equipment ( DTE ) indicating that a request signal, originated by a distant DTE, has been received from a distant DCE to exchange data with the station.
DATA TRANSFER REQUEST SIGNAL
Meaning of DATA TRANSFER REQUEST SIGNAL in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012