DS EN 50377-14-1:2011 Connector Sets And Interconnect Components To Be Used In Optical Fibre Communication Systems - Product Specifications - Part 14-1: Cords With Iec 60793-2-50 Singlemode Category B1.1 And B1.3 Fibre For Category C Covers the initial, start of life dimensional, optical, mechanical and environmental performance requirements that an assembled singlemode patch cord with cylindrical ferruled connectors shall meet in