A fiber patch cord can be cut into two pieces to create two pigtails. 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. 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. This is exactly why most professional installers have moved away from field-termination and toward splicing. The most efficient way to terminate a. The fiber optic pigtail is a short terminated optical fiber with a connector on one end, used to facilitate easy connections between fiber optic cables and various devices. Remove the outer coating carefully to expose the fiber.