Aerial fiber installation places optical cable on poles or other supports rather than underground or in conduit. Understanding Overhead Fiber Optic Cable Overhead fiber optic. The last mile of Fiber to the Home (FTTH) and Fiber to the Cabinet (FTTC) aerial fiber deployments often run through crowded environments, where space is at a premium. Street lights, existing telephone poles, power lines, street signs, buildings and trees all jostle for position, especially in. Aerial fiber optic cable refers to a kind of fiber optic cable that is designed and used for outside plant (OSP) installation between poles by being lashed to a wire rope messenger strand with a small gauge wire. ADSS cables are designed to withstand very high-tension loads.