Phoenix Contact FL mGuard 2100 and 4300 Security Routers are designed to replace the legacy RS line with a short transition period. The FL mGuard 2100 and 4300 series secure control systems by providing various firewall, routing, and VPN functionality for industrial network applications. Phoenix Contact FL mGuard 2100 and 4300 Security Routers feature DIN-rail, rackmount, and PCI/PCIE hardware styles for user flexibility. The routers utilize gigabit interfaces, which allow integration into high-traffic networks. The FL mGuard 2100 and 4300 series are IEC 62443 4-1 certified and compatible with mGuard Secure Cloud technology.