For field-terminated connectors that do not require splicing, there are generally two options-epoxy/polish connectors like Siemon's LightSpeed™ connectors and mechanical splice connectors like Siemon's LightBow™ connectors, which are both available in SC, LC and ST and in both. For field-terminated connectors that do not require splicing, there are generally two options-epoxy/polish connectors like Siemon's LightSpeed™ connectors and mechanical splice connectors like Siemon's LightBow™ connectors, which are both available in SC, LC and ST and in both. Two primary methods exist for fibre connectivity: pre-terminated pluggable fibre connections and traditional manual fusion splicing. Understanding their differences benefits, and implications on costs and project timelines is vital for effective decision-making in fibre network rollouts. Fiber optic cable mechanical splicing is an alternate splicing technique that does not require a fusion splicer. In this guide, we'll walk you through exactly how to splice fiber without a fusion splicer, covering the tools you need, the step-by-step process, performance specs, and common mistakes to avoid. By the end, you'll be equipped to make clean, low-loss connections in any field scenario. What is a. Emergency connection, also known as cold splicing, uses mechanical and chemical methods to fix and bond two fibers together.