How to use a fiber optic patch cord as a pigtail

You can convert a fiber optic patch cord into a pigtail by cutting it to expose a bare fiber end for splicing while keeping the factory-terminated connector on the other end.

Understanding the Difference

A fiber optic patch cord has connectors on both ends and is designed for plug-and-play connections between devices or patch panels, whereas a pigtail has a connector on one end and a bare fiber on the other, intended for fusion or mechanical splicing to a bulk fiber cable. Using a patch cord as a pigtail allows you to leverage the factory-quality connector while creating a splicing-ready end. Steps to Convert a Patch Cord into a PigtailSelect the Patch Cord Choose a patch cord with the same fiber type (single-mode or multimode) and core size as your target cable.

Ensure the connector type matches your equipment or patch panel requirements. Cut the Patch Cord Using a precision fiber cutter, cut the patch cord at the desired length to create a bare fiber end. Typically, pigtails are 0.

5–2 meters long, but you may leave extra slack for splicing adjustments. Strip and Cleave the Fiber Carefully strip the outer jacket and buffer from the cut end to expose the bare fiber. Then, cleave the fiber to produce a clean, flat end suitable for splicing.

Splice to the Target FiberFusion Splicing: Align the bare fiber from the patch cord with the incoming fiber in a fusion splicer to create a permanent, low-loss joint. Mechanical Splicing: Use a mechanical splice if fusion equipment is unavailable; this creates a temporary or semi-permanent connection. Protect the Splice Place the spliced fiber in a splice tray or protective sleeve to prevent damage and maintain signal integrity.

Test the Connection After splicing, test the optical loss and return loss to ensure the connection meets network specifications. AdvantagesFactory-quality connector ensures low insertion loss and high return loss. Flexibility to splice into any cable system.

Time and labor savings compared to field-terminated connectors. By following these steps, a standard patch cord can effectively function as a pigtail, providing a reliable, low-loss connection between bulk fiber cables and network equipment.