This guide provides a detailed roadmap for locating and fixing fiber optic cable breaks, covering detection techniques, repair methods, and best practices. With CommMesh's advanced tools and solutions, you'll learn how to restore networks seamlessly. To fix it, first use a VFL laser or an OTDR to pinpoint the damage. Damage can also be caused by defects during manufacturing, but a primary cause is mishandling. We propose to enhance a real-time highspeed optical communication system prototype based on coherent detection technologies and coupling it with machine learning to monitor mechanical events on an optical fiber, hence to proactively detect fiber breaks. The method relies on State of Polarization.