System and method for controlling a power budget at a power...

Details System and method for controlling a power budget at a power... System and method for controlling a power budget at a power...

2011-08-02

2011-08-02

Fleming, Fritz M (Department: 2836)

Electrical transmission or interconnection systems

Superimposed unlike currents

Ac and dc sources

C307S003000

Reexamination Certificate

active

07989976

ABSTRACT:
A system and method for controlling the delivery of power to a powered device in a Power over Ethernet Broad Reach (PoE-BR) application. Cabling power loss in a PoE-BR application is related to the resistance of the cable itself. A PHY can be designed to measure electrical characteristics (e.g., insertion loss, cross talk, length, etc.) of the Ethernet cable to enable determination of the cable resistance. The determined resistance in a broad reach cable can be used in increasing a power budget allocated to a power source equipment port.

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