Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition (IEC 61158-2:2010); English version EN 61158-2:2010, only on CD-ROM— 430 стр.
Connector sets and interconnect components to be used in optical fibre communication systems - Products specifications - Part 2-2: FC/APC 8 terminated on IEC 60793-2-50 Category B1.1 and B1.3 singlemode fibre, with full zirconia ferrule, category C; German version EN 50377-2-2:2009— 40 стр.