Various types, such as ST, FC, SC, and LC connectors, have been developed to cater to different needs, including cost, size, ease of use, and compatibility with single-mode, multimode, and polarization-maintaining fibers. Fiber optic joints or terminations are made two ways: 1) splices which create a permanent joint between the two fibers or 2) connectors that mate two fibers to create a temporary joint and/or connect the fiber to a piece of network gear. Either joining method must have three primary characteristics. Fiber Optic Joint Connection Fiber Cable 1 Joint Fiber Cable 2 Light Signal Path Joints enable continuous light transmission between fiber segments Fiber optic joints are specialized components designed specifically for optical fiber cables and can be classified into three main categories based on. Fiber joints are the points where two optical fibers are permanently connected to create an uninterrupted transmission path. These connections are essential in fiber optic networks, enabling the extension, branching, or repair of fiber cables while ensuring minimal signal loss during transmission. Common connector types are named FC, SC and LC for single-mode applications and ST for multimode, but there are also dozens of other types, with special qualities such as duplex connections, particularly small size, built-in shutter for improved laser safety, etc.