... Max per PORT 3 10/100Mbp NETCOM POE POWER INJECTOR1. LCD display and control panel, display the total power, power of ... 1,2,4,5Negative (VCC-):RJ-45 pin 3,6,7,8Data (1,2,3,6)ProtocolsCSMA/CDPower supply External Power ... % Non-condensing 8- port 25W Ethernet POE powered switching with LCD screen,Compliant with IEEE802.3af, IEEE802.3at standard,