System and method of powering and communicating field ethernet device for an instrumentation and control using a single pair of powered ethernet wire
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United States of America Patent
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Oct 28, 2003
Grant Date -
N/A
app pub date -
Nov 22, 1999
filing date -
Apr 16, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A powered Ethernet connection is provided between two devices connected by an Ethernet connection that provides data communication between the devices. Electrical power is applied to the Ethernet connection at the first device, and extracted from the Ethernet connection at the second device. The extracted power is used to power the second device.
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