1, 4 POE ports switch 2, IEEE802.3af 3,auto- MDI/MDIX 4,PAYPAL payment available 1, 5 ports POE switch2, ... NETSWITCH-PSE-4PORT is 10/100M Auto-Negotiation POE switch. With 5 RJ45 ports. (1 port for UP ... -LINK, 4 ports for date transport &PSE). Each port can ... )Topological structurestarNetwork Media(Cable)10Base-T: UTP category 3, 4, 5 cable (maximum 100m), EIA/TIA-568 100Ù ...