The growing popularity of online and remote learning has resulted in a significant increase in data transferred between campus networks, leading to bandwidth constraints for resource sharing. FS assisted a client in upgrading network bandwidth among three senior high schools and their public library, facilitating seamless sharing of teaching resources. FS's solution involved the M6200 multi-service WDM platform, supporting diverse transmission services and ensuring a stable and high-performance DWDM network. The platform's user-friendly operation, real-time monitoring, and flexible expansion with redundant channels offered an economical and future-proof solution.