This article will explore the three core stages: fiber optic cable selection and installation, usage and maintenance, and aging assessment and replacement, offering practical strategies for extending cable lifespan, reducing failure rates, and improving network operation. This article will explore the three core stages: fiber optic cable selection and installation, usage and maintenance, and aging assessment and replacement, offering practical strategies for extending cable lifespan, reducing failure rates, and improving network operation. Fiber optic cables are a critical component in modern networks, with their performance directly affecting the stability of data centers and enterprise networks. Effective lifecycle management of fiber optic cables, from selection and installation to daily maintenance and replacement, is essential. Planning: Design with the Future in Mind Fiber optic infrastructure should be treated as a core physical. Main work packages include network planning, civil engineering, fiber installation, splicing and commissioning with clear responsibilities and dependencies. Fiber optic cable is made up of two separate layers of glass.