METHOD AND SYSTEM FOR CONFIGURING PSE POLARITY
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United States of America Patent
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Issued Date -
Oct 27, 2016
app pub date -
Apr 22, 2015
filing date -
Apr 22, 2015
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Abstract
In one embodiment a system and method is described, the system and method including a Power Source Equipment (PSE) configured to provide a Powered Device (PD) with a first voltage polarity for power over Ethernet (PoE), the PSE comprising a control module which detects an indication from the PD indicating successful power up of the PD, a PSE voltage generator which continues to send PoE having voltage with the first voltage polarity in response to the PD successfully powering up, the PSE control module being operative to reverse the voltage polarity set by the PSE to be sent to the PD from the first voltage polarity to a second voltage polarity in response to no indication from the PD, thereby indicating a failure of the PD to power up, and the PSE voltage generator being operative to continue to send PoE having voltage with the second voltage polarity in response to the PD successfully powering up. Related methods, systems, and apparatus are also described.
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