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. With CommMesh's advanced tools. With the right tools and techniques, you can efficiently repair damaged fiber cables and restore reliable performance. Whether you're facing a complete cable break or troubleshooting performance degradation, we will equip you with the knowledge to understand, diagnose, and address fiber optic cable damage or know when to call the professionals. A small crack, bend, or cut in a fiber line can interrupt data flow instantly. Following these steps ensures.