ISO 1862:1975 Preview
Information processing -- 9- track, 12,7 mm (0.5 in) wide magnetic tape for information interchange recorded at 8 rpmm (200 rpi)
This standard was last reviewed and confirmed in 2010. Therefore this version remains current.
Describes a 9-track, 8 rows per mm (rpmm) (200 rows per inch (rpi)) 12,7 mm (0,5 in) wide magnetic tape for interchangeability of tape between information processing systems which utilize 7-bit coded character set, specified in ISO 646. Refers solely to magnetic tape for digital recording, on which the direction of magnetization is nominally longitudinal as opposed to nominally transverse.