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Method and system for providing DC power on local telephone lines

  • US 20040151305A1
  • Filed: 04/01/2003
  • Published: 08/05/2004
  • Est. Priority Date: 01/30/2003
  • Status: Active Grant
First Claim
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1. A network for coupling a telephone set to a telephone service, the network comprising:

  • a wire pair;

    a connection point for connecting the network to the telephone service;

    an AC Pass/DC Stop device connected in series between said wire pair and said connection point for conducting AC telephony signals and blocking DC flow from the telephone service into said wire pair;

    a power supply coupler DC coupled to said wire pair for coupling DC power into said wire pair;

    a load coupler DC coupled to said wire pair for coupling DC power to a load; and

    a telephone coupler for coupling a telephone set to said wire pair for conducting telephony signals between said wire pair and the telephone set.

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