Patent ID: 8908673
Filing Date: 2014-12-09
Classification: H04B,H04L,H04M,Y10S

Abstract:
1. A device for coupling data signals and DC power to or from first and second wirings that simultaneously carry said DC power and said data signals, said device comprising: a first transceiver communicatively coupled to said first wiring for full-duplex serial data communication thereover; a first transformer coupled to pass only first data signals between said first wiring and said first transceiver; a second transceiver communicatively coupled to said second wiring for full-duplex serial data communication thereover; a second transformer coupled to pass only second data signals between said second wiring and said second transceiver; a third transceiver communicatively coupled to a third wiring for full-duplex data communication thereover; a power supply coupled to each of said first and second transformers through a respective center-tap to provide said DC power onto said first and second wirings; and a single enclosure housing said first, second and third transceivers, said first and second transformers and said power supply, wherein: