Model POE-S2004FB Ports 4 10/100Mbps POE + 2 10/100Mbps Uplink Power Input AC 100-240V, 50/60Hz, 1.0A Max. Power Output DC 48-57V, 80W (Rated), Full Load Max. 65W (Net Output) Max. 60W for 1st PoE port Max. 30W for 2nd~4th PoE port Data Exchange 10/100Mbps (Gigabit is optional and available), Store and Forward Bandwidth/MAC 1.6Gbps, 1K Package Forwarding/Buffer 1.15Mpps, 768K Power/Data Assignment Power: pin 1,2 + pin 3,6 - ; Data: pin 1,2,3,6 Ambient Environment Operating temperature: -10~55 Storing temperature: - 40~75 Operating Humidity: 5%~90% RH, No condensing Storing Humidity: 5%~95% RH, No condensing Network Protocolï¼? IEEE 802.3 Ethernet media access control protocol IEEE 802.3i 10BASE-T Ethernet IEEE 802.3u 100BASE-TX Fast Ethernet IEEE 802.3af/at/PoE++ Power over Ethernet cable pairs or device IEEE 802.3x Flow control IEEE802.1q VLAN Network bridge operation Data Speed Ethernet 10Mbps half-duplex, 20Mbps full-duplex Fast Ethernet 100Mbpshalf-duplex, 200Mbps full-duplex Network Medium 10Base-T: Pair 2 Category 3,4,5(Cat3,4,5) UTP/STP(â?¤250m) 100Base-TX: Pair 2 Category 5(Cat5) or better UTP/STP(â? 150m) System Mode Standard Free communication VLAN Port Isolation 250m Supper long-distance transmission Lightning Protection 3KV 8/20us Certificate CE, FCC, RoHS Warranty 1~2 years Size/Weight PoE Switch Size: 190mm*130mm*33mm (L*W*H) Packing Box Size: 310mm*210mm*60mm (L*W*H) Net Weight: 0.9kg, Gross Weight:1.1kg