UNE-EN 50377-8-8
Connector sets and interconnect components to be used in optical fibre communication systems - Product specifications - Part 8-8: LSH-APC simplex terminated on IEC 60793-2-50 category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule category U (Endorsed by AENOR in December of 2007.)