KSGL09-8-Fiber Optic Cable customers is to constantly improve and refine the requirements for good voice. provide images and data transmission quality assurance. Adequately meet the main trunk line and cable wiring cable network needs, but also meet the overhead cable, buried underground. Choi, who linked the entrance to the terminal and the pipeline linking the well wall construction requirements. The joint direct successor and cable boxes can be used for large-capacity disagreements successor, and has played the role of protecting cable joints.