System and method for operating a sensed power device over...

Details System and method for operating a sensed power device over... System and method for operating a sensed power device over...

2006-12-26

2006-12-26

Pope, Daryl C (Department: 2612)

Communications: electrical

Systems

Selsyn type

C340S538000, C340S538110, C340S538150, C340S315000, C340S315000, C340S315000

Reexamination Certificate

active

07154381

ABSTRACT:
According to the present invention, a power source delivers power to a networked device over network cabling (e.g., Ethernet cabling) in one of two modes: a low power mode and a high power mode. The power source begins delivering power at a low power level in the low power mode, and switches to a high power level in the high power mode after a communication exchange between the networked device and the power source. A power source delivery system includes circuitry on both the power source and the powered device for communicating information between the devices.

REFERENCES:
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patent: 6154488 (2000-11-01), Hunt
patent: 6295356 (2001-09-01), De Nicolo
patent: 6359872 (2002-03-01), Mahany et al.
patent: 6804351 (2004-10-01), Karam
patent: 6975211 (2005-12-01), Atsuta et al.

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