Features: 4GE POE+1GE RJ45 uplinkComplies with IEEE 802.3, IEEE 802.3u, IEEE 802.3abMeets POE IEEE 802.3af/at standardSupports POE cameras, POE WIFI access points, and POE IP phonesFlow Control: Full-duplex: IEEE 802.3x, Half-duplex: back pressureAuto MDI/MDIXUpstream port lightning protection.Max 30w, Max power 100wAll ports support wire speed switch, jumbo frame transmissionZero QFD, self-adaptation Technical Specifications: 1000M POE: 41000M RJ45: 1Exchange Mechanism: Store-and-forwardExchange Capacity: 1GMAC: 1KWorking temperature: -20C ~ +65C Storage temperature: -40C ~ +70CWorking humidity: 10% ~ 90% RH non-condensingStorage humidity: 5% ~ 90% RH non-condensingPOE power: IEEE802.3af/at, Max 30w, Max power 100wPower input: AC 110 ~ 220v, 50/60HzNetwork protocol: IEEE 802.3x, IEEE 802.3i 10Base-TX, IEEE 802.3u 100Base-TX, IEEE 802.3ab 1000Base-T G, IEEE 802.3af / IEEE 802.3at, IEEE 802.3x flow controlPSE type: End-spanMatch: VLAN isolationSpeed: Ethernet 10Mbps half-duplex, 20Mbps full-duplex Fast Ethernet, 100Mbps half-duplex, 200Mbps full-duplex, Gigabit Ethernet 2000Mbps full-duplexNetwork media: 10Base-T: Pair 2 Category 3 (cat 3) and above UTP/STP (