ISO/IEC 1864:1992
信息技术 信息交换用12.7mm(0.5 in)未记录宽磁带 32 ftpmm(800 frpi)不归零制 126 ftpmm(3200 ftpi)调相制和356 ftpmm(9042 ftpi)不归零制
Information technology; unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange; 32 ftpmm (800 ftpi), NRZ1, 126 ftpmm (3200 ftpi) phase encoded and 356 ftpmm (9042 ftpi), NRZ1