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ANSI INCITS 341 : 2000

Current
Current

The latest, up-to-date edition.

INFORMATION TECHNOLOGY - 25.4 MM (1 IN) TYPE DCRSI RECORDED INSTRUMENTATION - DIGITAL CARTRIDGE TAPE FORMAT
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2005

Foreword
1 Scope, purpose and application
   1.1 Scope
   1.2 Purpose
   1.3 Application
2 References
   2.1 American National Standards
   2.2 Other standards
   2.3 Related publications
3 Definitions
4 Environment and safety
   4.1 Test environment
   4.2 Tape conditioning prior to testing
   4.3 Operating environment
   4.4 Cartridge conditioning prior to operational use
   4.5 Storage environment
   4.6 Safety
   4.7 Test methods
5 Tape characteristics
   5.1 Materials
   5.2 Tape width and tolerance
   5.3 Delta width
   5.4 Tape thickness
   5.5 Longitudinal curvature
   5.6 Discontinuity
   5.7 Leaders and trailers
   5.8 Coating adhesion
   5.9 Tape cupping
   5.10 Out-of-plane distortions
   5.11 Elongation yield strength
6 Magnetic and electrical properties
   6.1 Magnetic coating
   6.2 Coercivity
   6.3 Retentivity
   6.4 Particle orientation
   6.5 Backcoat
   6.6 Surface resistivity of the magnetic and back coatings
   6.7 Ease of erasure
   6.8 Average signal amplitude uniformity
7 Cartridge characteristics
   7.1 General description
   7.2 General specifications
   7.3 Datum planes
   7.4 Windows and labels
   7.5 Record lockout plug
   7.6 Reels
   7.7 Lid
8 Tape recorded format
   8.1 Overview
   8.2 General specifications
   8.3 Track locations and dimensions
   8.4 Relative positions of recorded signals
   8.5 Gap azimuth
9 Usable tape length, record zones and inter-record zone
   9.1 Overview
   9.2 Usable tape length
   9.3 Record zones and inter-record zone
10 Transverse scan data, pilot tone, and control track
   10.1 Overview
   10.2 Transverse scan track data format, synchronization, and
         recording requirements
   10.3 ECC encoding
   10.4 Record data randomization
   10.5 Transverse scan track pre-record zone
   10.6 Transverse scan track post-record zone
   10.7 Record data precoding
   10.8 Pilot
   10.9 Magnetization
   10.10 Control track
11 Longitudinal data track
   11.1 Synchronization
   11.2 Motion sequence number
   11.3 Search block identification number
   11.4 Sub-block odd/even (SBOE)
   11.5 User log/system data (ULSD)
   11.6 Coarse scan address
   11.7 Fine scan address
   11.8 Coarse time code (CTC)
   11.9 Fine time code (FTC)
   11.10 Write format
   11.11 Check sum (CS)
   11.12 Reserved bits (RSVD)
   11.13 Longitudinal data track - pre-record zone
   11.14 Longitudinal data track - post-record zone
   11.15 Record data sequence
   11.16 Method of encoding
   11.17 Method of recording
   11.18 Flux level
   11.19 Relative position
Tables
Figures
Annexes
A - Recommendations for tape cartridge transportation
B - DCRsi model characteristics

Ascertains the format of information on 25.4 mm (1 in) type DCRsi instrumentation digital cartridges. It also specifies the dimensions and locations of the transverse scan data and pilot tone track, the control track and the longitudinal data track. It delineates the formatting, randomizing, ECC, and other recording requirements of the data blocks forming the transverse data record, containing user data and other associated data and specifies the content, format, and recording method for the control record to ensure that a compliant recorder will be able to reproduce the recorded tape.

Committee
X3B5
DocumentType
Standard
Pages
83
ProductNote
Reconfirmed 2000
PublisherName
Information Technology Industry Council
Status
Current

ISO/R 527:1966 Plastics Determination of tensile properties
IEC 60735:1991 Measuring methods for video tape properties
IEEE 268-1992 American National Standard for Metric Practice
ISO 1302:2002 Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation
ISO 370:1975 Toleranced dimensions Conversion from inches into millimetres and vice versa

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