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SYSTEM AND METHOD OF CLASSIFICATION IN POWER OVER ETHERNET SYSTEMS

  • US 20080162973A1
  • Filed: 12/31/2007
  • Published: 07/03/2008
  • Est. Priority Date: 06/22/2006
  • Status: Active Grant
First Claim
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1. A power sourcing equipment (PSE) device comprising:

  • an interface adapted to communicate with a powered device via wire pairs of a cable;

    a power supply circuit adapted to provide power to the interface;

    device detection logic to detect the powered device coupled to the interface; and

    power classification logic coupled to the interface and adapted to provide a power classification signal to the powered device, the power classification signal including a first power classification signal and a second power classification signal to identify a power classification associated with the powered device, the power classification logic to monitor the interface to detect a device classification response from the powered device and to determine the power classification associated with the powered device based on the device classification response.

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