Fiber Optic Drop Cable access to the use of dish-shaped optical cable (indoor wiring) is the optical communication unit (fiber) in the center,

placed on both sides of two parallel non-metallic reinforcement (FRP) or metal reinforcing member, and finally extrusion black or color poly 

Vinyl chloride (PVC) or LSZH (LSZH, low smoke, halogen-free, flame retardant) jacket.