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Key terms: bit rate signal frame channel kb cable mbit wire ami circuit dds sonet ansi loop sf optical carrier pairs multiplexing trunk digital signal copper repeaters kbit hierarchy volts one bit line rate switched employ transmit bits per robbed synchronous four wire voice channel metallic bit rate bell labs optical fiber modulation telecommunication calculation cable pairs table below central office otherwise known national pricing frames per second Search external links cited by footnotes on Wikipedia page T-carrier: |
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