Align and fuse the pigtail fiber with the main cable. The success of a network in fiber optic cable installation heavily. Field-terminating connectors is a meticulous, high-pressure process where even a tiny mistake can force you to cut the fiber and start all over again. If you're new to fiber optics or want to enhance your technical skills, this guide will help you understand how to splice fiber pigtails safely and efficiently. 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. Same as the optical jumper, when the connecting line is an optical cable (mostly indoor optical cable) and passes the standard test line, it is called an optical fiber pigtail. Use alcohol wipes to remove dust and debris.