Single-mode fiber optic cables are more suitable for long-distance, high-speed transmission than multimode fiber optics. For most applications, the maximum distance of a single-mode cable is around 160 kilometers. However, the dispersion-compensating fibers can support more than. Corning's Long-Reach Technology offers cost-effective, reliable, and scalable long distance connectivity that can enable the deployment of complex technologies across the extended reach of campuses. Our Long-Reach Technology offers a streamlined architecture that can adapt to future needs and grow. A TOSLINK optical fiber cable with a clear jacket. Attenuation First is the attenuation of the optical fiber. As data demands continue to increase exponentially, the choices you make today regarding your network infrastructure will have a direct impact. Fiber optic transmission distance varies based on fiber type, environmental conditions, and equipment selection.