And the most commonly used fiber connector types includes LC, SC, MU, ST, FC, MTRJ, NID, E2000 and MTP/MPO connector. 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. Compared to Copper cables, Fiber connector types are incredibly varied. An optical fiber connector is used to join optical. In this article, I will introduce different fiber connectors types and fiber optic endfaces including their definitions,features and applications.