Designed for durability and performance in outdoor environments, this armored cable supports robust data transmission with excellent mechanical and environmental protection, making it ideal for backbone fiber optic networks. These are the outdoor fiber optic cables you see strung along telephone poles (aerial), installed inside an underground duct, or even buried directly below ground. Rugged fiber optic cable is constructed so as to resist ultra-violet light and temperature fluctuations and may include features to. Need a solution built for tough outdoor deployments? Stanford Optics offers a full range of outdoor fiber cables. Send Us an Inquiry Why Silicon Wafer Quality Matters in Semiconductor Manufacturing? James. These are cables that are designed to meet both the rigorous environment of the outdoors but also can be routed indoors, where flame rating requirements also apply. At its core, the optical fibers are enclosed within protective layers that are resistant to pressure, water, and ultraviolet radiation.