4*10/100Tx RJ45 Ports and 2*100Fx SC Fiber Ports with Multi-Mode 2KmSupports Network Redundancy: STP/RSTP/MSTP, and G.8032 ERPS (Recovery Time <50ms)Supports IPv4/IPv6, and DHCP Option 66/67/82Supports Modbus/TCP Protocol for Device Management and MonitoringConfiguration: Web Console, Telnet, CLI CommandSupports IGMP v1/v2/v3, up to 1024 GroupsQoS (IEEE802.1p/1Q), CoS/ToS to Increase DeterminismRedundant Power Input Design: 12~48VDCIP30 ProtectionDIN-Rail or Wall MountableStandard operating temperature -10°C to 70°C5-Year Warranty