ANSI INCITS 40-1993 信息系统.信息交换用未记录磁带(9-道 800 CPI,反向不归零(NRZI);1600 CPI,PE;与6250 CPI,成组编码记录(GCR)) 原为ANS

标准号：ANSI INCITS 40-1993
中文标准名称：信息系统.信息交换用未记录磁带(9-道 800 CPI,反向不归零(NRZI);1600 CPI,PE;与6250 CPI,成组编码记录(GCR)) 原为ANSI X3.40-1993 [被代替:ANSI X3.40,ANSI X3.40,ANSI X3.40]
英文标准名称：Information Systems - Unrecorded Magnetic Tape for Information Interchange (9-Track 800 CPI, NRZI; 1600 CPI, PE; and 6250 CPI, GCR) Formerly ANSI X3.40-1993 [Replaced: ANSI X3.40, ANSI X3.40, ANSI X3.40]
标准类型：L64
发布日期：1993/7/19 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：L64
国际标准分类号：35.220.22
适用范围：This standard provides the information necessary to enable mechanical and magnetic interchangeability for reels of 1/2-inch-wide unrecorded magnetic tape between information processing systems, communication systems, and associated equipment utilizing American National Standard for Information systems - Coded character sets - 7-bit american national standard code for information interchange (7-bit ASCII), ANSI X3.4-1986, and amendments thereto. This standard deals solely with magnetic tape for digital recording and supports and complements American National Standards on recorded magnetic tape for information interchange.