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SYSTEM AND METHOD FOR A SUBSCRIBER-POWERED NETWORK ELEMENT

  • US 20080159744A1
  • Filed: 07/17/2007
  • Published: 07/03/2008
  • Est. Priority Date: 03/01/2005
  • Status: Active Grant
First Claim
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1. A system for powering a network element of a fiber optic communication network including means for transmitting communication data between a central office (CO) and a subscriber gateway, the network element serving to convert optical to electrical (O-E) and electrical to optical (E-O) signals between a fiber from the central office and copper wires from the subscriber gateway, the system comprising:

  • The subscriber gateway including,A DC power source that includes means for producing a DC current and a DC voltage,A high-speed client modem that includes means for producing electrical communication signals,A Subscriber line interface circuit (SLIC) device that includes means for coupling the electrical signals of the client modem and the DC power output of the DC power source, and includes means for transmitting the electrical signals and the DC power output;

    The network element including,A high-speed CO modem,An DC-to-DC power converter,A Data Access Arrangement (DAA) device that includes means for coupling electrical communications signals of the CO modem and decoupling the DC power, and includes means for further providing the DC Power to the DC-to-DC power converter;

    A pair of copper wires in electrical communication between the subscriber gateway and the network element to provide a medium for the DC power transfer and the modem communications;

    Whereby the network element is powered by the subscriber gateway over the copper wires and the modems are in communication over the same copper wires.

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