標準號：ANSI INCITS 56-1986
中文標準名稱：信息系統.信息交換用記錄磁帶盒.4道,0.250 Inch(6.30 mm),1600 bpi(63 bpmm),相位編碼 代替X3.56-1986 [被代替:ANSI X3.56,ANSI X3.56]
英文標準名稱：Information Systems - Recorded Magnetic Tape Cartridge for Information Interchange - 4 Track, 0.250 Inch (6.30 mm), 1600 bpi (63 bpmm), Phase Encoded Replaces X3.56-1986 [Replaced: ANSI X3.56, ANSI X3.56]
標準類型：L64
發布日期：1986/3/26 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：L64
國際標準分類號：35.220.23
適用范圍：Provides a format and recording standard for a 0.250-in (6.30-mm) wide 4-track, magnetic tape in a cartridge to be used for information interchange between information processing systems, communication systems, and associated equipment utilizing a standard code, as agreed upon by the interchange parties.