RHS4000 series switches are based on the industry-mature Ethernet ASIC switching technology and the independent RHOS operating system developed by Fusion Network. It is a new generation of high-density, high-performance two-layer optical fiber switches. It is suitable for small and medium enterprises, Internet cafes, and other LAN internal network fiber optic backbone solutions. It also supports Fusion Network's self-developed fusion management system. The function of the fusion management system is detailed in related materials.