Patent ID: 8321695
Filing Date: 2012-11-27
Classification: H04L

Abstract:
1. A power over Ethernet system, comprising: a first transformer coupled to a first wire pair; a second transformer coupled to a second wire pair; a power sourcing equipment coupled to center taps of said first and second transformers, said power sourcing equipment delivering power to a powered device over said first and second wire pairs, said power sourcing equipment including an analog power over Ethernet controller module, said analog power over Ethernet controller module including first logic that controls a monitoring of current and voltage levels associated with said delivery of power to said powered device; and a physical layer device coupled to said power sourcing equipment, said physical layer device also coupled to said first and second transformers for the transmission of data over said first and second wire pairs, said physical layer device including a digital power over Ethernet controller module, said digital power over Ethernet controller module including second logic that controls an allocation of power delivered by said power sourcing equipment to said powered device over said first and second wire pairs.