... UPLINK port5. 10/100Mbps, full/half duplex automatic adapt6. Compliant with IEEE802.3af, IEEE802.3at standard, 25W Max per port7. Backplane ... ,6,7,8Data (1,2,3,6)ProtocolsCSMA/CDPower supply External Power Adaptor (POE04)(100V-240V AC 50Hz-60Hz, DC48V/ 2.5A)Internal ... %~95% Non-condensing 8- port 25W Ethernet POE powered switching with LCD screen,Compliant with IEEE802.3af, IEEE802.3at standard,