ANSI INCITS 157 : 1987

Superseded

View Superseded by

INFORMATION SYSTEMS - RECORDED MAGNETIC TAPE FOR INFORMATION INTERCHANGE - 3200 CPI (126 CPMM), PHASE ENCODED

Available format(s)

Hardcopy , PDF

Superseded date

04-20-2024

Language(s)

English

Published date

01-01-2003

Publisher

Information Technology Industry Council

1 Scope and Purpose
  1.1 Scope
  1.2 Purpose
2 Referenced and Related Standards
  2.1 Referenced American National Standard
  2.2 Related Standards
3 Definitions
4 Recording
  4.1 Method
  4.2 Density of Recording
  4.3 Flux Transition Spacing
  4.4 Total Character Skew
  4.5 Erase
  4.6 Signal Amplitude
5 Format
  5.1 Track Format
  5.2 Track Dimensions
  5.3 Reference Edge
  5.4 Coded Character Set
  5.5 Track Identification
  5.6 Block Length
  5.7 Density Identification Area
  5.8 Gaps
  5.9 Tape Mark

Specifies format and recording for a 1/2 inch (12.7 mm), 9 track magnetic tape for interchange among data processing systems, communication systems, and associated equipment requiring a standard code.

Committee	X3B5
DocumentType	Standard
Pages	14
PublisherName	Information Technology Industry Council
Status	Superseded
SupersededBy	INCITS 157:1987(S2018)

ANSI INCITS 40 : 1993	INFORMATION SYSTEMS - UNRECORDED MAGNETIC TAPE FOR INFORMATION INTERCHANGE (9-TRACK 800 CPI, NRZI; 1600 CPI, PE; AND 6250 CPI, GCR)
IEEE 268-1992	American National Standard for Metric Practice
ISO 370:1975	Toleranced dimensions Conversion from inches into millimetres and vice versa