This Korean Industrial Standard specifies general common items such as definitions, classification, symbol, rating and characteristics of passive devices for fiber optic transmission as general rules of passive devices for fiber optic transmission using quartz fiber optic.
KS C 6900-1999 history
2019KS C 6900-2019 General rules of passive devices for fiber optic transmission
2014KS C 6900-2014 General rules of passive devices for fiber optic transmission
2004KS C 6900-2004 General rules of passive devices for fiber optic transmission
1999KS C 6900-1999 General rules of passive devices for fiber optic transmission