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. Recommendation ITU-T L. 25 deals with general features in relation to the maintenance and operation of optical fibre cable networks. Attenuation (loss of light) is increased by contamination. Follow these maintenance guidelines: SFP. Small oil micro-deposits and dust particles on fiber optic cable optical surfaces may cause a loss of light or degraded signal power which may ultimately cause intermittent problems in the optical connection. Before you connect a fiber-optic cable to an optical transceiver installed in a device, take the necessary precautions for safe handling of lasers (see Laser and LED Safety Guidelines and Warnings).