Antaira LMX-2004G-SFP 20-Port Industrial Gigabit Light Layer 3 Managed Ethernet Switch with 16*10/100/1000Tx Ports and 4*100/100

Supports 16*10/100/1000Tx RJ45 PortsSupports 4*100/1000 SFP SlotsNetwork 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 MonitoringIGMP v1/v2 for Multicast Traffic FilteringSystem Warning Setting for Automatic Warning through E-mailQoS (IEEE802.1p/1Q), CoS/ToS to Increase DeterminismIEEE802.1Q VLAN for Easy Network PlanningEnhanced Network Security with IEEE802.1X, SNMP v1/v2c/v3, HTTPS, and SSH/SSLAuto Warning by Exception through E-mail, Relay OutputOperating Temperature Range: -10°C to 70°C5-Year Warranty