ofn

listen to the pronunciation of ofn
الإنجليزية - الإنجليزية
old fucking news
Optical Feeder Network
  Abbreviation for optical fiber, nonconductive   Note: OFN  is the designation given by the National Fire Protection Association (NFPA) to interior fiber-optic cables which contain no electrically conductive component, and which are not certified for use in plenum or riser applications   [After FAA]
Optical Fiber, Non-Conductive