Optical fiber patch cords are critical components in fiber optic communication systems. They are used to connect different devices, such as routers, switches, and servers, in the network. In this article, we will guide you through the step-by-step process of making optical. Producing high-quality fiber optic patch cords involves precise steps and procedures. Has a core about 9 microns wide. It is good for long-distance use. It sends data in only one direction. Yingda. Fiber optic cables have skyrocketed in popularity in recent years, becoming the backbone of our modern-day, data-driven society.