Supports 8*10/100/1000Tx Gigabit PortsNetwork Redundancy Support: RSTP/MSTP, and G.8032 ERPS (Recovery time <50ms)Configuration: Web Console, Serial, CLI CommandSupports IGMP v1/v2Network Broadcast Storm ProtectionSupports QoS (IEEE 802.1p) and CoS/ToSSupports IEEE 802.1Q VLAN, SNMP v1/v2c/v3Redundant Power Input Design 48~55VDC + Built-in relay output for Port Break AlarmSystem Warning Setting for Automatic Warning through E-mailDIN-Rail and Wall Mount SupportOperating Temperature Range - EOT: -40° to 75° C5-Year Warranty