Fiber optic adapters are  basically connectors that  connect two optical cables together. Fiber optic adapters are also commonly known as ( Fiber couplers, Fiber Adapter )

The different types of fiber optic connectors available for sale are; FC, SC, ST, LC, MTRJ, MPO, and E2000, and is widely used in optical fiber distribution frames (ODFs) Instruments, providing superior, stable, and reliable performance. The Fiber Optic Adapters are designed to have a single fiber connector (simplex), dual fiber connector (duplex), or sometimes four fiber connector (quad) versions.