ISO/IEC 1863:1990 Preview
Information processing -- 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange using NRZ1 at 32 ftpmm (800 ftpi) -- 32 cpmm (800 cpi)
This standard was last reviewed and confirmed in 2006. Therefore this version remains current.
Provides a format and recording standard for 9-track, 12,7 mm /0,5 in) wide magnetic tape and reels to be used for information interchange among information processing systems, communication systems, and associated equipment utilizing the 7-bit coded character set specified in ISO 646 or its 7-bit or 8-bit extensions specified in ISO 2022.