This guide provides a detailed roadmap for locating and fixing fiber optic cable breaks, covering detection techniques, repair methods, and best practices. Construction Activities Natural Causes Environmental Damage Human. Fiber-optic cables are the backbone of modern connectivity—powering 5G networks, global internet backbones, and data center interconnections with near-light-speed data transmission. While these cables are engineered for durability (with some rated to last 25+ years), they are not invulnerable. Let's explore the process and see why CommMesh. Fiber optic technology transmits data as pulses of light through thin strands of glass, forming the foundation of modern global communication.