POE Adapter for Home Assistant Yellow KIT POE

[FloatingBoater (James Derrick)]

POE Switch Voltage

The key word here is “passive”. Ubiquiti used to use 24V or 48V basically connected to the 4x unused 100bT pins on a RJ45. This is power over Ethernet, but not Power over Ethernet compliant with the 802.3af standard (which requires a lot more power control logic to negotiate power draw). I’d not connect a PoE Yellow to passive power injection. Passive is not “proper PoE”. I have a mix of older and new Unifi cameras and the older ones worked with a cheap dumb passive injector, but with a “prope…