A fiber optic connector system is made up of a receptacle and a plug connector assembly in which a cylindrical MT fiber optic contact assembly of the type including a pair of contact halves arranged to capture the MT connector and form a cylindrical contact, is inserted from the rear into a connector...http://www.google.com.au/patents/US6206579?utm_source=gb-gplus-sharePatent US6206579 - Arrangement for integrating a rectangular fiber optic connector into a cylindrical connector
