Ferrule – A critical component of the connector, the ferrule holds the optic fiber in place and aids in its alignment. For from the splice in its ability to be disconnected. A fiber optic connector is a mechanical device used to align and join optical fibers, enabling light to pass through with minimal loss. Typically, the housing is made of plastic. The methods of fixing joints include fusion splicing method, V-groove method, capillary method, casing method, etc. The connectors can be put on patchords, pigtails or components with single-mode (SM).