Fiber cables can be modified to function as a pigtail by cutting off the connector. Fiber pigtails are typically shorter and are used for short-distance connections between fiber optic devices, such as fiber distribution frames and terminal boxes. When you build or upgrade a fiber network, the same four words pop up everywhere— fiber optic (bare fiber), pigtail, patch cord, optical cable. They're related, but they are not interchangeable. Mixing them up drives costs higher, increases loss, and slows your rollout. The good news? Once you nail. A fiber optic patch cord is a short-length cable (typically 1–10 meters) with pre-terminated connectors on both ends., patch panels, ODFs) or other devices.