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. Construction Activities Natural Causes Environmental Damage Human. While a cut or damaged fiber optic cable can temporarily take your network down, it is possible to quickly fix the cable with the right tools. If you are unable to access the internet or experience frequent disruptions in your connection, it could be an indication of a damaged cable. These cables consist of a core (glass or plastic) that carries light signals, surrounded by cladding to reflect light inward, a buffer for protection, and an outer jacket for durability. Begin by identifying the damage, which can be done using an Optical Time Domain.