no MAC address capacity 16K 8K 8K 8K 8K 8K Shell size (mm) 440×330×44 440×330×44 440×180×44 440×180×44 294×180×44 294×180×44 Input power 220VAC , 50Hz Use environment Work temperature: 0°C ~ 40°C Storage temperature: -40℃~70℃ Working humidity: 10% ~ 90% RH without condensation Storage humidity: 5% to 90% RH without condensation ? Gigabit RJ45 port 18 Gigabit SFP port 0 PoE port 16GE PoE output power 180W Machine power consumption 109W PoE standard IEEE 802.3at(PoE+)、IEEE 802.3af Mode switch Standard switching, video surveillance, VLAN isolation MAC address capacity 8K Shell size (mm) 294x180x44 Input power 220VAC , 50Hz Use environment Operating temperature: 0°C~40°C Storage temperature: -40°C~70°C Operating humidity: 10%~90% RH non-condensing Storage humidity: 5%~90% RH non-condensing