L3 Industrial 8-Port PoE Gigabit + 4-Port 10G SFP+ Managed Ethernet Switch UTP7308GE-POE(MS60) Datasheet Manual Firmware ADVANTAGESProvide 8*10/100/1000Base-T RJ45 ports(PoE), 4*1000BASE-X SFP ports(Uplinks).Buffer reaches 4Mbit, Support 4K high-definition video transmission.Microsemi PoE solution: 1 port 60W HPoE,7 ports 30W PoE.Support Web-based network management, support VLAN, QoS, RSTP, SNMP etc. network function.Support One-key CCTV/LOCK/ONLINE/RINGSupport fast ring ,support 30 pcs switches Max. in a cascade system ,Self-healing in 20ms Min.Support relay alarm for power off, network broken, PoE off.6KV surge immunity, 8KV ESD protection and anti-interference ability.-40℃~75℃ working temperature