A fusion splicer is a specialized tool used in fiber optic networks to join two fiber optic cables together permanently. It works by applying heat to the ends of the cables, causing them to melt and fuse together. Fiber optic fusion splicing is on the rise and Corning's Pigtailed Splice Cassettes enable faster field splicing and easy modular management of connectorization within the housing. This leads to particularly low insertion loss and high return loss, if the two fiber cores are similar. Figure 1:. ce sleeve onto either the pigtail or field f ber. Regardless of the type of fiber network you're deploying, be it for telecom, enterprise data centers, or smart city infrastructure, fusion splicing provides the benefits of. This guide reveals the secrets to fusion splicing with little fluff—just proven, straightforward techniques refined from years of work in the field. The guide provides the complete workflow, covering safety precautions, tool selection, fiber preparation, fusion operation, quality control, and. Our vast line of Fiber connectors from Belden make your work more reliable, available and configurable with industry-leading designs. Leverage our trusted portfolio, expertise and partnerships to design your purpose-build system from our extensive offering including FX Fusion Splice-On Connectors.