Of the more than a dozen types of fibre-optic connectors available, the four most commonly used today are LC, SC, FC, and ST. An optical fiber connector is a device used to link optical fibers, facilitating the efficient transmission of light signals. Unlike fiber splicing, which is permanent, connectors allow for easy connection and disconnection of cables, making them ideal for maintenance and flexibility in. The fiber connector is called a fiber optic or optical fiber connector. The connector mechanically orients the fiber cores, allowing light to pass and travel through. Selecting the right fiber optic connector in accordance with current IEC standards is crucial to the performance, reliability and future-proofing of a fiber optic infrastructure.