The 4-port Gigabit Network Ring Redundant Switch is an industrial-grade Ethernet switch designed Compatible with reliable data exchange in PLC and HMI systems. With high-speed Gigabit network and a redundant design, this switch ensures uninterrupted and stable data transmission. It is DIN-rail mountable Compatible with easy installation and is compatible with various industrial applications. The switch features a compact and rugged design, making it suitable Compatible with use in harsh environments. With its advanced network security features and energy-efficient operation, this switch is the perfect choice Compatible with industrial automation and control.