This standard specifies two types of magnetic tape, A type with a length of 60 m, and B type with a magnetic tape length of 90 m, with a width of 3.81 mm and helical tape used for information exchange between devices and systems such as computers and related peripheral terminal equipment. Specifies scanning recording, DDS format, structure, dimensions, physical, mechanical, electrical, and magnetic properties of magnetic tape cartridges (hereinafter referred to as cartridges), and information exchange recording format.
JIS X 6127:1992 history
1992JIS X 6127:1992 3.81 mm wide magnetic tape cartridge for information interchange -- Helical scan recording -- DDS format