The ICR-3231 manufactured by Advantech is a routers EMEA Cat4 with dual Ethernet ports, one RS232 port, one RS485 port, and no accessory port. It is designed for robust industrial networking, providing secure data transmission between sites for an extended range of Ethernet-enabled devices. It features a novel structure design that ensures optimal system performance and scalability while being compatible with a wide range of existing router and firewall devices. The device also supports different IP-based protocols like Modbus Ethernet, Profinet, and CCLink, making it suitable for use in automation systems. With its extended temperature range, up to 5 kV surge indication, and low power consumption, the ICR-3231 routers can provide reliable and stable edge-to-edge connectivity for harsh applications.