ITEM NAME:4 Port PoE Injector PoE Power Adapter Ethernet Power Supply Pin for IP Came Ew.(4) Lan port: 8ports in RJ45(data in), 8port poe RJ45(data&power out). 3) Power pin: 4&5(+), 7&8(-); Data pin: 1236. 9) Storage temp & humidity: -20~+85Â °C, 10~95% RH. 8) Working humidity: 20 ~90% RH non-condensing.