Product specifications: 8 Gigabit POE port + 2 Gigabit + 2SFP GigabitName: Full Thousand 8+2+2SFP National Standard 48V POE SwitchModel: 08G22GB Standard power supply: DC52V2.3A120WForwarding mode: store and forward signal pin: 12345678Transmission distance: 0-100 metersPower supply pins: 12+36-Protocol: IEEE802.3AT/AF Voltagespecification: DC48-55VNetwork medium: Category 6 or Super 6 unshielded twisted pairBackplane bandwidth: 20G full duplexDimensions: 202*140*45mmPower supply port: 1-8 is Gigabit POE power supply port supporting one-key VLAN functionWorking temperature: 0?-40?