To fix it, first use a VFL laser or an OTDR to pinpoint the damage. For a permanent fix, fusion splicing is better than mechanical connectors because it prevents signal loss. Always protect the fiber optic cable repair with a sleeve and keep bends smooth in your trays. Think of a fiber optic cable splice as the seamless stitching that keeps data flowing through the delicate threads of a network—like a master tailor joining fabric with precision. This guide reveals the secrets to fusion splicing with little fluff—just proven, straightforward techniques refined from years of work in the. In this guide, we cover the basics of fiber optic splicing, how to perform splicing using two different methods, and finally some best practices to perform good fiber splicing. Ensure Your Splicing Tools are Clean – #2. Use and Maintain Your. Fiber optic splicing is the process of seamlessly joining two single Splicing has a lower optical loss and back-reflection than other terminations, making it the ideal choice for maintaining signal integrity and reliability in fiber optic networks.