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ANSI INCITS 181 : 1990 : R2006

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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RECORDED MAGNETIC TAPE AND CARTRIDGE FOR INFORMATION INTERCHANGE - 112 INCH (12.65 MM), SERIAL SERPENTINE, 22-TRACK, 6667 BPI (262 BPMM), AND 48-TRACK, 10000 BPI (394 BPMM), MFM-ENCODED - REQUIREMENTS FOR RECORDING

Available format(s)

Hardcopy , PDF

Superseded date

22-04-2024

Superseded by

INCITS 181:1990(S2021)

Language(s)

English

Published date

01-01-2006

€99.06
Excluding VAT

1 Scope, Purpose, and Conformance
   1.1 Scope
   1.2 Purpose
   1.3 Conformance
2 Referenced Standards and Publications
   2.1 Referenced American National Standards
   2.2 Other Referenced Standard
   2.3 Referenced Publication
3 Definitions
4 Recording
   4.1 Physical Recording Density
   4.2 Bit-Cell Length
   4.3 Flux Transition Spacing (Peak Shift)
   4.4 Read Signal Amplitude
   4.5 Overwrite
   4.6 Azimuth
5 Format of Track
   5.1 Reference Edge of Tape
   5.2 Calibration Tracks
   5.3 Positions of Track
   5.4 Spacing of Track
   5.5 Width of Track
6 Format of Tape
   6.1 Recording Area
   6.2 Calibration Areas
   6.3 Forward Guard Areas
   6.4 Forward Synchronization Areas
   6.5 Forward Data Areas
   6.6 Reverse Synchronization Areas
   6.7 Reverse Data Areas
   6.8 Reverse Guard Areas
7 Format of Data
   7.1 General
   7.2 Data Bytes
8 Recorded Block Format
   8.1 Relationship to Tracks
   8.2 Gap
   8.3 Structure of a Block
9 Format and Content of Block Structures
   9.1 Preamble
   9.2 Sync
   9.3 Error-Correcting Code (ECC) Control Field
   9.4 Block Control Field
   9.5 Data Field
   9.6 Physical Control Field
   9.7 Cyclical Redundancy Check (CRC)
   9.8 Postamble
   9.9 Block Types
10 Entity
   10.1 Description
   10.2 Rewritten Blocks
Figures

Gives requirements for tape cartridges used for information interchange among information-processing systems, communication systems, and equipment which utilizes a standard code for information interchange which is agreed upon by interchange parties. It deals only with the requirements for recording on magnetic tape.

Committee
X3B5
DocumentType
Standard
Pages
26
ProductNote
Reconfirmed 2006
PublisherName
Information Technology Industry Council
Status
Superseded
SupersededBy
Supersedes

ANSI INCITS 27 : 1987 INFORMATION SYSTEMS - FILE STRUCTURE AND LABELING OF MAGNETIC TAPES FOR INFORMATION INTERCHANGE
ANSI INCITS TR 1 : 1982 DICTIONARY FOR INFORMATION PROCESSING - AMERICAN NATIONAL
IEEE 268-1992 American National Standard for Metric Practice
ISO 370:1975 Toleranced dimensions Conversion from inches into millimetres and vice versa

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