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Acronyms and Abbreviations in Telecommunications - InterConnect ...

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<strong>Acronyms</strong> <strong>and</strong> <strong>Abbreviations</strong> <strong>in</strong> <strong>Telecommunications</strong> 35<br />

DCT Discrete Cos<strong>in</strong>e Transform<br />

DCU Digital Concentrator Unit<br />

DCU Distribution <strong>and</strong> Control Unit<br />

DCWV Direct-Current Work<strong>in</strong>g Volts<br />

DDBS Distributed Data Base System<br />

DDD Direct Distance Diall<strong>in</strong>g<br />

DDE Dynamic Data Exchange<br />

DDF Digital Distribution Frame<br />

DDI Direct Diall<strong>in</strong>g In<br />

DDM Digital Data Multiplexer<br />

DDM Distributed Data Management<br />

DDN Defense Data Network (US)<br />

DDR Dial-on-Dem<strong>and</strong> Rout<strong>in</strong>g<br />

DDR Double Data Rate<br />

DDS Dataphone Digital Service<br />

DDS Digital Data Service<br />

DDS Direct Digital Synthesis<br />

DE Discard Eligible<br />

DECT Digital Enhanced Cordless <strong>Telecommunications</strong><br />

DEK Data Encryption Key<br />

DEL Direct Exchange L<strong>in</strong>e<br />

DELTA Develop<strong>in</strong>g European Learn<strong>in</strong>g through Technological<br />

Advance<br />

DEM Digital Elevation Model<br />

demarc Demarcation Po<strong>in</strong>t<br />

demux Demultiplexer<br />

DEN Document Enabled Network<strong>in</strong>g

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