Supports 4*10/100Tx IEEE 802.3af/at Compliant with 30W/Port and 2*100Fx (SC) Fiber PortsFiber Supports: Multi-Mode in 2KmNetwork Redundancy Support: RSTP/MSTP, and G.8032 ERPS (Recovery Time <50ms)Configuration: Web Console, Serial, CLI CommandSupports IGMP v1/v2/v3, up to 1024 GroupsSupports QoS (IEEE802.1p) and CoS/ToSSupports IEEE802.1Q VLAN, SNMP v1/v2cRedundant Power Input Design: 48~55VDCReverse Polarity ProtectionIP30 ProtectionDIN-Rail and Wall MountableOperating Temperature Range - STD: -10°C to 70°C5-Year Warranty