Patent ID: 7971075
Filing Date: 2011-06-28
Classification: H04L

Abstract:
1. A midspan power sourcing equipment, comprising: a first pair of transmit/receive couplers, a switch side of said first pair of transmit/receive couplers being coupled to respective wire pairs in a first two wire pair grouping; a second pair of transmit/receive couplers, a switch side of said second pair of transmit/receive couplers being coupled to respective wire pairs in a second two wire pair grouping, wherein said first two wire pair grouping and said second two wire pair grouping are output by a splitter that splits a four wire pair Ethernet cable; and a power source that inserts power onto a device side of at least one of said first and said second pair of transmit/receive couplers, wherein said at least one of said first and said second pair of transmit/receive couplers is configured to present a low effective impedance at a frequency of operation.