JIS C 6825:2020

This Standard specifies the test methods for structural parameters related to the optical characteristics of optical fibers or jacketed optical fibers of single-mode optical fibers, silica-based multimode optical fibers, multi-component multimode optical fibers, plastic cladding multimode optical fibers, all plastic multimode optical fibers and intraconnection optical fibers (hereafter generically referred to as optical fibers).