Access optical fiber cable is composed of six different materials: simplex cable, central strength member, wrap, cable, filling water-block fiber, and outer jacket. These components collectively enhance the operational performance of the fiber optic cable for subscriber access. Unlike copper wires, which are limited by lower data transmission speeds, shorter transmission distances, and higher susceptibility to electromagnetic interference, fiber optic cables offer unparalleled performance and can. Corning ALTOS® cable with FastAccess® technology is an all-dielectric gel-free cable designed for outdoor and limited indoor use for campus backbones in lashed aerial and duct installations. Providing up to 864 fibers in a compact design and long-term reliability in aerial, duct, and direct-buried applications. The FastAccess® jacket reduces access.