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Enabling/Disabling Power-Over-Ethernet Software Subsystem In Response To Power Supply Status

  • US 20100299544A1
  • Filed: 08/06/2010
  • Published: 11/25/2010
  • Est. Priority Date: 05/25/2006
  • Status: Abandoned Application
First Claim
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1. An interface module for an Ethernet switch comprising:

  • a printed circuit board having a first connector element for receiving a first supply voltage and a second supply voltage, and a second connector element for receiving a daughterboard;

    a digital system on the printed circuit board, wherein the digital system is powered by the first supply voltage;

    a power over internet (PoE) module located on a daughterboard inserted into the second connector element of the printed circuit board, wherein the PoE module is powered by the second supply voltage; and

    one or more Ethernet ports, each coupled to the digital system and the PoE module by the printed circuit board.

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