Strip the coating around 15~20mm, keep the length according to actual bare fiber adapter, then wipe the fiber. Check the fiber endface, adjust the fiber. Fiber optic adapters, also known as couplers, play a crucial role in fiber optic networks by providing a connection point between two fiber optic connectors. This process encompasses a series of intricate technical procedures such as threading, fiber. Three methods to join two fibre cables: fusion splicing, mechanical coupler and splice.