Raspberry Pi LoRaWAN Gateway Board

Not a PoE specification compliant.

I use this adapter: http://www.ebay.com/itm/141651355231

Data wires are 1,2,3 and 6.
Wires 4,5 are positive.
wires 7,8 are ground.

I use a DC-DC converter so, cable lenght is not a problem.