ANSI/INCITS 127-1987(R1997)
Presents the minimum requirements for an unrecorded cartridge containing 0.250-inch (6.30-mm) wide magnetic tape regarding the mechanical and magnetic interchangeability of the cartridge between information processing systems, using physical recording densities in the range of 6400 to 10 000 flux transitions per inch (ftpi) (252 to 394 flux transitions per millimeter (ftpmm).