ISO/IEC 1864:1992 Preview
Information technology -- Unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange -- 32 ftpmm (800 ftpi), NRZ1, 126 ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi), NRZ1
This standard was last reviewed and confirmed in 2007. Therefore this version remains current.
Specifies the characteristics of the magnetic tape with reel, to enable magnetic and mechanical interchangeability of such tape between information processing systems.