1, 4 POE ports switch 2, IEEE802.3af 3,auto- MDI/MDIX 4,PAYPAL payment available 1, 5 ports POE switch2, IEEE802.3af3,auto- MDI/MDIX4,PAYPAL ... -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 ... (AC100-240V ~50-60HZ,DC48V/ 1.5A)power requirementno-load:2.8W(MAX) full-load:72WOperation Temperature-20~70°CStore Temperature ...