ANSI/INCITS 181-1990
信息交换用可记录盒式磁带.1/2英寸(12.65毫米), 串行、22道、6 667 bpi (262 bpmm) 和48道、10 000 bpi (394 bpmm)MFM编码的记录磁带和编码磁带.记录要求
Recorded Magnetic Tape and Cartridge for Information Interchange - 1/2 Inch (12.65 mm), Serial Serpentine, 22-track, 6667 bpi (262 bpmm), and 48-track, 10000 bpi (394 bpmm), MFM-Encoded - Requirements for Recording