Fiber Optic Cable is a network cable containing strands of glass inside an insulated casing used for data networking and telecommunications over a long distance. A TOSLINK optical fiber cable with a clear jacket. A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry. A fiber optic cable consists of five basic components: the core, the cladding, the coating, the strengthening fibers, and the cable jacket. Understanding the components within a fiber optic cable enables. Fiber optic cables are engineered with precision to ensure they transmit data reliably.