Core Insights - The article emphasizes the importance of intelligent and digital communication systems in substations as part of the new power system construction, highlighting the transition from traditional communication devices to industrial Ethernet switches as a core component for automation [2][3]. Group 1: Product Features - The Fiberroad FR-WIST series industrial switches are specifically designed for the unique requirements of the power industry, offering features such as multi-optical and electrical interface combinations to accommodate various terminal access needs [3]. - The switches are built to operate in extreme conditions, with a wide temperature range of -40℃ to +75℃ and a fanless cooling structure, ensuring stable performance in high humidity and strong electromagnetic interference environments [3]. - The FR-WIST series meets essential power industry standards, including surge protection and lightning resistance, and complies with relevant power communication specifications like DL/T 1214 [3]. Group 2: Application Scenarios - In the process layer, the FR-WIST series supports high-speed data exchange for devices such as field merging units and protection measurement and control devices, ensuring stable transmission of control commands and real-time sampling data [4]. - The rack-mounted products in the station control layer provide high-density ports and performance capabilities, facilitating the aggregation of station data to dispatch platforms or main control systems for remote management and intelligent scheduling [4]. Group 3: Industry Trends - The power system is rapidly advancing towards cleaner, digital, and interactive models, with intelligent substations being critical nodes that require communication systems capable of supporting future technologies like edge computing and remote control [5]. - The FR-WIST series has received high recognition in multiple transmission and transformation projects, showcasing its industrial-grade performance and adaptability to power scenarios [5][6].