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System and method for signaling and detecting request for power over ethernet

  • US 6,535,983 B1
  • Filed: 11/08/1999
  • Issued: 03/18/2003
  • Est. Priority Date: 11/08/1999
  • Status: Expired due to Term
First Claim
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1. A network system comprising:

  • a network device having ports;

    wiring defining network connection lines for carrying data signals;

    a plurality of end devices, each end device being connected to ports of said network device via respective network connection lines, said end devices including at least one of a system powered end device, requiring power via said network connection lines and a locally powered end device, not requiring power via said network connection lines.

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