... . Supply 4 or 8 POE power port, one UPLINK port5. 10/100Mbps, full/half duplex automatic adapt6. Compliant with IEEE802.3af, IEEE802.3at ... 300m. ( only for 4 port POE)10. Effective short circuit, overload and total power protection 11. Each port with indicator light, alarm light, device ... temperature-10°C ~+ 50°C 5%~95% Non-condensing 8- port POE switch with each port 25w