The optical fiber adapter connects the connectors at both ends through its internal ceramic sleeve, so as to ensure excellent connection performance between the optical fibers. In order to be fixed on various panels, the shape design can be various types based on the actual application of a variety of structures, such as “with flange/without flange“, simplex/duplex/quad/etc. 

Optical fiber communication attenuator is composed of attenuation optical fiber,  attenuator kits, connector kits and cables, they are used to attenuate input power on optical path to avoid signal distortion at optical receiving end due to excessive input optical power; or used for debugging optical power performance in optical communication system, calibration and correction of optical fiber instrument, and attenuation of optical fiber signal. The products are made of attenuation optical fiber doped with metal ions, and they are able to  adjust the optical power to the required level.