1. 
   D channel
   D channel (data) is a telecommunications term which refers to the ISDN channel in which the control and signalling information is carried. The bit rate of the D channel of a basic rate interface is 16 kbit/s, whereas it amounts to 64 kbit/s on a primary rate interface. For DSS1 signalling, the D ch...
   Found op http://en.wikipedia.org/wiki/D_channel
   
   
2. 
   D`Entrecasteaux Channel
   inlet of the Tasman Sea, extending northeast for about 35 miles (55 km) between Bruny Island (east) and the southeast coast of mainland Tasmania, ...
   Found op http://www.britannica.com/eb/a-z/d/32
   
   
3. 
   D`Entrecasteaux Channel
   The D`Entrecasteaux Channel is a region of water between Bruny Island and the south-east of the mainland of Tasmania. It extends between the estuaries of the Derwent, and the Huon Rivers. It was sighted by Abel Tasman in 1642, and surveyed in 1792 by Bruni d`Entrecasteaux. Towns on the D`Entrecaste...
   Found op http://en.wikipedia.org/wiki/D`Entrecasteaux_Channel
   
   
4. 
   D-CHANNEL
   Data Channel
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
5. 
   D-channel
   an access channel intended primarily for user-network signalling purposes NOTE 1 - D-channels may be used for user-to-user signalling and for the transmission of packetized data. NOTE 2 - D-channels have been defined with digit rates of 16 kbit/s and 64 kbit/s.
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=716-04-05
   
   

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