Easier to perform but has slightly higher signal loss compared to fusion splicing. Cost-Effective for Long Runs: Reduces the need for connectors and patch panels. Get the wrong connector type, the wrong polish, or skip proper fusion splicing technique—and you're looking at elevated signal loss, increased back reflection, and a. Fiber optic splicing is the process of joining two fiber optic cables together so that light signals can pass with minimal loss or reflection. Splicing is typically required during cable installation, maintenance, or network expansion. What is a mechanical splice? Many manufacturers offer mechanical. How fibre-optic connectors are terminated significantly impacts network performance.