A fiber optic cable splice is the process of permanently joining two fiber optic cables to create a continuous light path—vital when cables are cut, damaged, or need extending. Another method of connecting optical fibers is termination or connectorization, which consists of processing the end of a fiber optic bundle so that it can be connected to other fibers or devices through fiber optic. Ensure Your Splicing Tools are Clean – #2. Use and Maintain Your Cleaver Correctly – #3. Set Your Fusion Parameters in a Systematic Way What is Fiber Optic Splicing and Why is it Needed? First, let us understand the meaning of the term “splice”. For network managers and technicians, a poor splice can lead to significant signal degradation, network downtime, and costly troubleshooting. In this comprehensive guide.