Transceiver apparatus and method having ethernet-over-power and power-over-ethernet capability
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United States of America Patent
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Oct 25, 2011
Grant Date -
May 13, 2010
app pub date -
Jan 13, 2010
filing date -
Jun 18, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transceiver device for coupling between a power line and a network interface unit includes a power line modem for transmitting and receiving data between the power line and the network interface unit and a power circuit coupled to the power line modem that is adapted to deliver a DC power signal to the network interface unit. The power circuit includes a discovery circuit adapted to determine the type of network interface unit that is attached. A load path control circuit switches the DC power signal between a PHY interface and a connector interface of the power line modem based on the determined type.
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