The most common fiber optic connectors used in networking infrastructures are LC, SC, ST and MPO/MTP, deployed in environments ranging from enterprise structured cabling to high-density data centers. They align the core of microscopic fibers together so light pulses can travel through them and. Fiber optic connectors are specialized mechanical devices used to join fiber optic cables to other cables, equipment, or network devices such as switches, routers, and patch panels. Contrary to electrical connectors that carry current, a. Although manufacturers have launched over 100 fiber connectors, only a few types are the industry's most popular and widely used. Next, we will discuss the main types of fiber optic connectors.