Simplex Patch Cords and Pigtails: These consist of a single fiber with one connector on either end (patch cord) or one connector on one end with exposed fiber on the other (pigtail). Simplex is ideal for point-to-point communication and single-fiber systems. Fiber pigtails are simple in appearance, yet essential in function. What Is a Fiber Optic Patch Cord? A. The difference between patch cords, trunk cables, and pigtails is not just terminology — each serves a distinct role in installation, testing, maintenance, and cost management. Although they look similar, their structures, uses, and installation methods are significantly different. Patch cords are typically used to link equipment such as fiber optic switches, routers, or network ports to other network devices or to provide connections.
[PDF Version]