Industrial 4-Port Gigabit PoE+ 2-Port Gigabit SFP L2 Managed Ethernet Switch UTP6306S-PSB Datasheet Manual Firmware FEATURESAbundant Interfaces4*10/100/1000 Base-T PoE+ RJ-45 ports2*1000 Base-X SFP ports1*RJ-45 Console portIndustrial DesignWorking temperature:-40〜75℃Redundant power supply8kV contact discharge, 12kV air discharge ESD protectionFan-less metal shell designDIN-rail installationLayer 2 Management Function802.1Q VLAN802.1P QoSSNMPSTP/RSTP/MSTPERPSDHCP snooping