IEC 61754-1:2013 covers general information on the subject of fibre optic connector interfaces. It includes references, definitions and rules for creating and interpreting the standard drawings. This second edition cancels and replaces the first edition, published in 1996, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - general reconsideration of performance requirements; - addition of Figure 1 (Plug, adaptor, and receptacle for a connector examples). Keywords: fibre optic connector interfaces