Connector The structure at the end of a fiber optic cable that allows connection to a fiber port on a patch panel or electronic device. Write a 250-word definition for this. A fiber optic connector is a device that is used to join two fiber optic cables or terminate them to a device. It is designed to join two optical fibers together accurately and securely, with minimal loss of light. It also helps to protect the fibers from physical damage and environmental hazards. A fiber optic connector consists of two parts: the ferrule and the housing. The ferrule is the cylindrical part that holds and aligns the two fiber ends. It is usually made of metal, ceramic, or plastic, and contains a number of small holes that allow light to pass through. The housing is the outer part, which provides physical protection and strain relief. It is typically made of plastic and is designed to allow easy and reliable connection and disconnection. Fiber optic connectors come in a variety of shapes and sizes, and each connector type has its own unique features and benefits. The most common types of fiber optic connectors are the SC, LC, and ST connectors. The SC connector is the most widely used and is ideal for high-speed applications. The LC connector is smaller and more reliable, and is becoming increasingly popular in datacenter applications. The ST connector is the oldest but still widely used, and is most often used in enterprise and residential applications. Fiber optic connectors provide a reliable, secure connection, and are designed to minimize the amount of light lost during transmission. They are also easy to install and maintain, making them a popular choice for both commercial and residential applications.