ADSS double jacket fiber optic cable adopts stranded Loose tube structure. The optical fiber is inserted into the loose tube made of high-modulus polyester material, and the waterproof compound is filled in the tube.The loose tube (and fillers) is twisted around the non-metallic strengthen member (FRP) to form a compact cable core. The cable core is wrapped by water blocking tape and stranded with Kevlar Aramid fiber with reinforcing effect. Finally, a PE jacket or an AT)jacket is extruded.