Automated manufacturing system of an optical fiber unit comprises a chamber for control of the environment and / or around in the automated production of the optical fiber unit. And fiber optic element a chamber for adjusting the at least one environment, and the atmosphere within to automatically produced, and in communication with said chamber, at least to, and in fact seal the environment and atmosphere of the chamber, may be inserted into the chamber therethrough disposed in the chamber with one of the at least one sealable input port for receiving an optical fiber, disposed in the chamber, at least one movement of the available fixed stage comprising at least one clamp which can be fixed to the at least one optical fiber, and, at least one is arranged in the energy source and the chamber, and through that receive at least one optical fiber and including a cavity to be fixed thereto, wherein the at least one seal capable of applying energy to the at least one optical fiber the at least one flow from the input port, A fixed stage and the optical fiber element comprising the said at least one of the at least one holding device to transport at least one optical fiber in a predetermined position where it can accept the energy applied by an energy source as possible It discloses an automatic production system.