Supports 4*10/100Tx IEEE 802.3at/af Compliant with 30W/Port, and 1*100Fx (SC) Fiber PortFiber Supports: Single Mode 30KmNetwork Redundancy Support: RSTP/MSTP, and TG.8032 ERPS (Recovery Time <50ms)Configuration: Web Console, Telnet, CLI CommandSupports IGMP v1/v2, up to 256 GroupsSupports QoS (IEEE802.1p) and CoS/ToSSupports IEEE802.1Q VLAN, SNMP v1/v2cPoE Ping Alarm Function for PoE Ports Power RecycleSystem Warning Setting for Automatic Warning through E-MailRedundant Power Input Design – 48~55VDCHousing: Metal IP30 Rated; DIN-Rail and Wall Mount SupportOperating Temperature - STD: -10°C to 70°C5-Year Warranty