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. This working paper explores the current trends in the maintenance of fiber optic networks, which are critical to supporting the high-speed, high-capacity demands of modern communication systems. Key areas of focus include innovative maintenance techniques, predictive maintenance through AI and. Fiber optic cables are a critical component in modern networks, with their performance directly affecting the stability of data centers and enterprise networks. This is the latest revision of a Recommendation that was first published in 1996. These cables, composed of thin strands of glass or plastic, transmit data using pulses of light rather than electrical signals. This approach offers superior bandwidth, decreased signal loss, and minimal interference compared to. Fiber optic technology marks a significant advancement in telecommunication infrastructure, offering an efficient medium for transmitting data.