Network system and optional tethers

CAFC
  • US 8,902,760 B2
  • Filed: 09/14/2012
  • Issued: 12/02/2014
  • Est. Priority Date: 04/10/1998
  • Status: Active Grant
First Claim
Patent Images

1. A BaseT Ethernet system comprising:

  • a piece of central BaseT Ethernet equipment;

    a piece of BaseT Ethernet terminal equipment;

    data signaling pairs of conductors comprising first and second pairs used to carry BaseT Ethernet communication signals between the piece of central BaseT Ethernet equipment and the piece of BaseT Ethernet terminal equipment, the first and second pairs physically connect between the piece of BaseT Ethernet terminal equipment and the piece of central BaseT Ethernet equipment, the piece of central BaseT Ethernet equipment having at least one DC supply, the piece of BaseT Ethernet terminal equipment having at least one path to draw different magnitudes of current flow from the at least one DC supply through a loop formed over at least one of the conductors of the first pair and at least one of the conductors of the second pair, the piece of central BaseT Ethernet equipment to detect at least two different magnitudes of the current flow through the loop and to control the application of at least one electrical condition to at least two of the conductors.

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