G.651.1
G.651.1 is an international standard developed by the Standardization Sector of the International Telecommunication Union that specifies multi-mode optical fiber cable.
History
The G.651.1 Recommendation builds on a previous fiber optic specification in G.651.G.651.1 was first published in 2007. Revisions of the standard were since published in 2008, and 2018.