Use the cleaver carefully to create a small, clean cut on the cables with ends perpendicular to the fiber axis. In essence, you just have to precisely position the fiber ends together in the mechanical. Fiber optic cable splicing is the process of joining two fibers end-to-end to create a continuous optical path., FTTH, FTTP, FTTM), splicing is essential for extending cables, repairing breaks, or connecting backbone and distribution lines. The connectors used in cold splicing typically consist of two parts: a ferrule and a. In this guide, we cover the basics of fiber optic splicing, how to perform splicing using two different methods, and finally some best practices to perform good fiber splicing. What is Fiber Optic Splicing and Why is it Needed? – #1.