Howdy, I am wondering why if I can successfully use a readily available PoE Passive Adaptor Kit to provide power remotely to the C520WS camera, Why is it documented that the C520WS doesn't support PoE ? Is it strictly down to the "current" supply being to low when using an actual PoE feed from a PoE compatible switch or other source ?
Hi @MG67RF,
A device that "supports" PoE is able to get it's power via the network cable itself. The C520ws has a seperate barrel connector that must be connected to a power supply. Generally, you can simply attach a PoE splitter to most small DC electronics to make it function like a native PoE device.
For the C520ws it needs 7.65W at 9V. You can use a PoE splitter that has a output voltage of 9V and supports IEEE 802.3af (at/bt would also work, but "af" supports 15W which is plenty). To power this you need a PoE switch or PoE injector that also supports the IEEE 802.3 standard on the splitter. Many switches, injectors and splitters support IEEE 802.3at/af. The 9V PoE splitters are not too common; most are 5V or 12V and the connectors are often same size. Devices will not work if the voltage is too low and may be damaged if it's too high.
A passive kit that supports 9V with enough wattage may also work. I try to avoid using passive PoE devices and Omada switches doesn't support passive PoE either.
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