For Fusion Splicing: Place both fiber ends into a fusion splicer. For network managers and technicians, a poor splice can lead to significant signal degradation, network downtime, and costly troubleshooting. There are numerous use cases for fiber optic splicing. This is necessary when a cable needs to be extended, or repaired, or when multiple fibers need to be connected to support a network. The goal is to align the ends of. Fiber optic splicing plays a vital role in modern communication networks by enabling seamless connections between fiber optic cables. 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.