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Power Over Ethernet

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Key Features of POE Injectors


Power Over Ethernet was first launched by Cisco in 2000. The standards are IEEE 802.3af and IEEE 802.3at. "Midspan" means the same as POE injector: The term "midspan" refers to the concept of putting a POE injector as close as possible to the device being powered, since some voltage is lost in the ethernet cable.
standard DC Barrel Connector
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