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  • BSI
    BS 7080-1:1989, ISO 8462-1:1986 Guide to construction and use of 6.30 mm (0.25 in) magnetic tape cartridge for data interchange, using GCR recording at 394 ftpmm(10000 ftpi), 39 cpmm (1000 cpi) - Mechanical, physical and magnetic properties
    Edition: 1989
    $418.55
    / user per year

Description of BS 7080-1:1989 1989

ISO 8462 specifies the characteristics of a tape cartridge loaded with magnetic tape 6,30 mm (0.25 in) wide intended for digital recording at physical recording densities of 252 ftpmm (6 400 ftpi) and 394 ftpmm (10 000 ftpi).

ISO 8462-2 specifies a recording method and a data format intended for use in the streaming mode of operation. Two alternative track formats are specified:

  • a 4-track format, and
  • a 9-track format.

This part of ISO 8462 specifies the mechanical, physical and magnetic properties of a 6,30 mm (0.25 in) wide magnetic tape cartridge and methods for testing the surface quality of the tape.

It also specifies the environmental conditions under which the cartridge shall be tested and operated, and recommends conditions for storage.

ISO 8462-1 and ISO 8462-2 provide for the physical interchange of cartridges between data processing systems, and specify a data format. A labelling standard for tape cartridges used in the streaming mode is under study. The availability of such a labelling standard will provide for full data interchange between data processing systems.

NOTE Numeric values in the SI and/or Imperial measurement system in this part of ISO 8462 may have been rounded off and therefore are consistent with, but not exactly equal to, each other. Either system may be used, but the two should be neither intermixed nor reconverted. The original design was made using the imperial measurement system.



Standard NumberBS 7080-1:1989, ISO 8462-1:1986
TitleGuide to construction and use of 6.30 mm (0.25 in) magnetic tape cartridge for data interchange, using GCR recording at 394 ftpmm(10000 ftpi), 39 cpmm (1000 cpi) - Mechanical, physical and magnetic properties
StatusUnder Review
Publication Date1989-06-30
Identical National Standard OfISO 8462-1:1986
DescriptorsTesting conditions, Data transmission, Electrical resistance, Tensile loading, Flammability, Circuits, Mechanical testing, Optical properties of materials, Magnetic properties of materials, Identification methods, Dimensions, Data recording, Electrical testing, Test equipment, Magnetic tapes, Data transfer, Transmittance, Adhesion tests, Track speed, Data processing equipment, Optical measurement, Recording equipment components, Cassettes (magnetic tapes), Design, Defects, Environment (working), Magnetic tape equipment, Magnetic recording
ICS35.220.23 Cassettes and cartridges for magnetic tapes
CommitteeICT/1
ISBN0 580 17189 2
PublisherBSI
Pages40

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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