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Excerpt:
PDH Meets Carrier Ethernet

PDH connections remain plentiful. For instance, more than 70 percent of all mobile backhaul connections (copper and radio) worldwide are PDH-based, according to Infonetics Research.  And, according to research from Vertical Systems Group Inc., only 13.4 percent of buildings are connected with fiber, leaving a majority with copper-based T1/T3 connections.

Complete article in xchange Online


 

 



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