Defines the requirements for type BFOC/2,5 connector sets. TypeBFOC/2,5 is a sub-family of single position optical connector sets.They are characterized by a bayonet coupling mechanism and acylindrical ferrule of 2,5 mm typical diameter. The sub-familyincludes plug-adapter-plug and plug-socket configurations.The contents of the corrigendum of May 1996 have been included inthis copy.