IEC TR 61930:1998 pdf download – Fibre optic graphical symbology

IEC TR 61930:1998 pdf download – Fibre optic graphical symbology.
This technical report applies to graphical symbols used in IEC publications dealing with fibre optics.
The object of this technical report is to provide uniform graphical symbols for the various fibre optic elements and devices. It is not intended to replace IEC 60617-10. Nevertheless. ii may be used until a revision or updating of lEG 60617-10 Is decided.
2 Reference documents
IEC 60617-10:1996, Graphical symbols Ii diagrams — Part 10: Telecommunication transmissions
IEC 61931, Technical Report type 3:1998. Fibre optic terminology.