Digital subscriber line services

  • US 7,239,627 B2
  • Filed: 05/24/2001
  • Issued: 07/03/2007
  • Est. Priority Date: 05/24/2001
  • Status: Expired due to Fees
First Claim
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1. A system for extending the effective distance of digital subscriber line service, the system comprising:

  • a central office terminal, the central office terminal including;

    a data interface; and

    a plurality of line units;

    at least one communication link, coupled to one of the plurality of line units, that carries signals using digital subscriber line service, wherein each communication link is a twisted pair;

    at least one remote access multiplexer, coupled to the at least one communication link, wherein the at least one remote access multiplexer includes a plurality of ports that are adapted to provide digital subscriber line service;

    the remote access multiplexer adapted to multiplex signals between the plurality of ports and the at least one communication link; and

    wherein the at least one remote access multiplexer is located at a distance from the central office terminal so as to provide digital subscriber line service to user terminals that are located more than 12 kilofeet from the central office terminal.

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