DS EN 4626-202:2009 Aerospace Series - Connectors, Optical, Rectangular, Multicontact, Rack And Panel, Quadrax Cavity, 2,5 Mm Diameter Ferrule - Operating Temperatures -65 Degrees C To 125 Degrees C (Cable Dependent) - Flush Contacts - Part 202: Optical Contact Assembly For 900 [Mu]M Buffered Fibre Receptacle - Product Standard Describes the dimensions and performance requirements of the EN 4531-101 fibre optical contact with a 900 [mu]m buffered fibre EN 4641 and associated alignment boot for use within equipment boxes.