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Power over Ethernet

Power over Ethernet (PoE) is a technology for wired LANs. This allows a single cable usually Ethernet cable to provide both data connection and electric power to devices such as IP cameras, NVR recorders, wireless access points, etc.


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Active POE

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If your PoE switch uses 48V 802.3af or 802.3at standard, it is considered to be active PoE.



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Passive PoE

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Passive PoE refers to any devices using PoE that is not 802.3af or 802.3at.



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