Fusion splicing is the most common and permanent method, where two fiber ends are fused together using heat, typically from an electric arc. This method provides the lowest signal loss and is ideal for long-term or high-performance applications. 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. Ensure Your Splicing Tools are Clean – #2. Use and Maintain Your. The only wiring, I can find, that needed to be irreversible is the GEC. When. To tackle the variety of challenges service operators face when deploying fiber, CommScope has created a family of fiber optic splice closures that balance key criteria such as reliability, installability, flexibility and speed of deployment. To choose the right fiber splicing closure, you must. The drawing below defines the network: a "feeder" cable extends from the OLT (optical line terminal) in the CO (central office) to a FDH (fiber distribution hub) where the PON (passive optical network) splitter is housed. It then connects to "distribution" cables that go out toward the subscriber. Estimate whether an FTTH or PON optical link is feasible by calculating PLC splitter loss, fiber attenuation, connector loss, splice loss and remaining power margin between the OLT and ONU/ONT.