According to one embodiment of the invention, {HEAD ~ a method} for supplying {TAIL ~ power} over Ethernet includes determining whether a first port of power sourcing equipment is supplying current to a power over Ethernet device in a predetermined current range 
According to one embodiment of the invention , { HEAD ~ a method } for supplying { TAIL ~ power } over Ethernet includes determining whether a first port of power sourcing equipment is supplying current to a power over Ethernet device in a predetermined current range
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