We offer fiber optic materials from Test Equipment, Bulk Cable and Fusion Splicers to Tools, Patch Cables and Consumables. Fiber patch cables are optical fiber cables equipped with fiber connectors on both ends, ready for immediate use (“plug-and-play”). They differ from fiber pigtails, which have a connector on only one end and are meant to be spliced to another fiber, and from bulk fiber cable, which is supplied on. Fiber optic patch cables are indispensable components of modern fiber optic systems. Here. Fiber Optic Cable is also known as fiber optic jumper or fiber optic patch cord. Signals input into a loopback have no change and get back to the loopback directly.