This standard specifies the classification, geometric dimension parameter series, optical and transmission characteristic parameter series, and mechanical characteristic parameter series of multimode optical fibers for communication. This standard applies to multimode optical fibers used in communication networks and other communication equipment.
GB/T 12357-1990 history
2016GB/T 12357.1-2015 Multimode optical fibers for communication - Part 1: Characteristics of multimode optical fibers of class A1
2004GB/T 12357.1-2004 Multimode optical fibres for telecommunication Part 1:Sectional specification for category A1 multimode fibres
1990GB/T 12357-1990 The series of multimode optical fibres for telecommunication