GYXTC8S【Outdoor Optical Cable for Communication with Metal Strengthening Member, Central Bundle Type, Steel-Polyethylene Bonded Sheath】The structure of the optical cable is to insert single-mode or multi-mode optical fiber into a high-modulus plastic, which is filled with a loose sleeve of waterproof compound. In the pipe, and placed in the center of the cable, longitudinally wrap the water blocking tape and then squeeze the steel-polyethylene adhesive sheath, and at the same time install the steel strand sling to form the cable.