Computer Communication Networks

Computer Communication Networks

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Advantages of DSL 1. The speed is much higher than a ... ISDN support transmission distance of 18000 feet over existing copper wires and use 2B1Q line coding technique. 2B1Q means two binary one Quaternary, a line coding technique that compresses two binary bits of data into one time state as a four level codeanbsp;...

Title:Computer Communication Networks
Author:V.S.Bagad, I.A.Dhotre
Publisher:Technical Publications - 2009-01-01


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