For many industrial automation applications, redundancy helps increase the reliability of your system. To create reliability in your network, the EKI-7559 Series come equipped with a proprietary redundant network protocol -- X-Ring that was developed by Advantech, which provides users with an easy way to establish a redundant Ethernet network with ultra high-speed recovery time less than 10 ms. Furthermore, EKI-7559 Series also supports many advanced network standards to optimize network performance, ease maintenance issues, and secure network safety.