Armored fiber optic cables are designed to protect delicate optical fibers from physical damage while maintaining high transmission performance. The light armored. Corning's ActiFi® FREEDM® Composite Cables provide the ultimate solution for indoor-outdoor remote powering of distributed antenna systems, optical networks, small cells and more. The design uses fiber and linear laid copper conductors rated at 300 VAC. 41mm Aramid yarn helically is applied over cable core.