The FC connector is a fiber-optic connector with a threaded body, which was designed for use in high-vibration environments. A fiber optic connector is a mechanical device used to align and join optical fibers, enabling light to pass through with minimal loss. Unlike fiber splicing, which is permanent, connectors allow for easy connection and disconnection of cables, making them ideal for maintenance and flexibility in. The optical fiber connector is a kind of detachable passive optical component used in the connection between fiber to fiber, the light source to the fiber, and fiber to the detector to achieve the light maximize coupling to the receiving fiber. The following guide systematically describes.