产品介绍 for many industrial automation applications, redundancy helps increase the reliability of your system. to cr-eate reliability in your network, the eki-7554mi 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-7554mi also supports many advanced network standards to optimize network performance, ease maintenance issues, and secure network safety.