... ,8Data (1,2,3,6)ProtocolsCSMA/CDPower supply External Power Adaptor (POE04)(100V-240V AC 50Hz-60Hz, DC48V/ 2.5A)Internal ... power adaptor (POE08)(200V-240V AC 2A 50Hz-60Hz)Overcurrent protectionImplementedStorage temperature ... 5%~95% Non-condensing 8- port 25W Ethernet POE powered switching with LCD screen,Compliant with IEEE802.3af, IEEE802.3at standard,