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Ubiquiti UniFi USW-PRO-8-POE
10 Ports
Question about Ubiquiti UniFi USW-PRO-8-POE
I haven't tested it yet but if anyone does, there are 2 poe++ ports which, according to ubiquiti, allow it to be self-powered by another poe+ switch without using the power cable, only logically this switch requires 120w to operate... which is strange...
Helpful answer
You have misunderstood something. This switch has a built-in power supply unit and requires 220V AC voltage to function in any case, whereby the power consumption at 220V corresponds to approx. watts.
All 8 RJ45 ports are PoE++ capable and can deliver a total of 120 watts.
Ports 7&8 support the newer standard (PoE++), which delivers 51 or 71 watts depending on the number of wire pairs present (4 or 8). The PoE+ ports, on the other hand, only deliver approx. 13 watts. You must therefore pay attention to what you connect to the respective port.
In general, you simply have to make sure that the maximum available 120 watts are not exceeded across all ports.
You can display the sum option in Unifi Network