The ASU80/ASU120 all-media cable is a kind of central-beam tube aerial optical cable. The structure is insert the monomode fibers into a PBT loose tube filled with the water-resistant compound. Loose tube and two high strength non-metallic center strength member (FRP) are stranded to form a compact cable . In the cable , a tear rope for easy stripping and some filling yarn are added. Finally, polyethylene (PE) outer sheath is extruded to form the cable.