RJ-45 is the connector not used for fiber optics; it is used for Ethernet networking. 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 fiber connector types, sometimes referred to as terminations, link fiber optic cables together through terminals, switches, adapters, and patch panels, by bridging the gap between their. Option a, ST, refers to a "Straight Tip" connector, commonly used in fiber optic networks. LC Not the question you're searching for? Which of the following is not a type of fiber-optic connector.