The FC connector is a fiber-optic connector with a threaded body, which was designed for use in high-vibration environments. FC connectors are used in datacom, telecommunications, measurement. Standard fiber cables are equipped with an FC Type connector (FC APC or FC PC). An overview of detailed features is provided in the table. Standard fiber. A fiber optic connector is a mechanical device used to align and join optical fibers, enabling light to pass through with minimal loss. What are the differences between them? Who is the most popular one? Find the answer in the article. They are small, often overlooked components, yet they are essential for ensuring high-speed, low-loss, and reliable optical transmission.