DTR

from The Free On-line Dictionary of Computing (8 July 2008)

Data Terminal Ready
DTR

   <communications> (DTR) The wire in a full {RS-232} connection
   that tells the {Data Communication Equipment} (DCE, typically
   a {modem}) that the {Data Terminal Equipment} (DTE, typically
   a computer or {terminal}) is ready to transmit and receive
   data.

   (2000-04-05)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DTR
       Data Terminal Ready (MODEM, RS-232)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DTR
       DeskTop Replacement [notebook]

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DTR
       DeskTop Reproduction (DTP)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DTR
       Document Filing and Retrieval (DOAM, ISO, IEC, DIS 10166-1 f.)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

DTR
       Draft Technical Report