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BS EN 21864:1994

BS EN 21864:1994

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Current

The latest, up-to-date edition.

Information technology. Unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange. 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3 200 ftpi) phase encoded and 356 ftpmm (9 042 ftpi) NRZ1

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-15-1994

Publisher

British Standards Institution

1 Scope and field of application
2 References
3 Definitions
4 Environment
5 Characteristics of tape
6 Reel
Annex - Reels conforming to the first edition of this
        International Standard

Describes the characteristics of 12,7mm wide magnetic tape with reel, to enable magnetic and mechanical interchangeability between information processing systems. Applies solely to magnetic tape for digital recording using the NRZ1 method of recording at 32 and 356 ftpmm or the phase-encoded method of recording at 126 ftpmm in which the direction of magnetization is nominally longitudinal.

Committee
ICT/1
DevelopmentNote
Supersedes 91/63785 DC. Also numbered as ISO/IEC 1864. (09/2005)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
UNI EN 21864 : 1992 Identical
NF EN 21864 : 1994 Identical
EN 21864 : 1993 Identical
DIN EN 21864:1994-05 Identical
NBN EN 21864 : 1994 Identical
I.S. EN 21864:1994 Identical
SNV BS EN 21864 : 1994 Identical

ISO/IEC 3788:1990 Information processing — 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange using phase encoding at 126 ftpmm (3 200 ftpi), 63 cpmm (1 600 cpi)
ISO 209-1:1989 Wrought aluminium and aluminium alloys Chemical composition and forms of products Part 1: Chemical composition
ISO 6098:1984 Information processing Self-loading cartridges for 12,7 mm (0.5 in) wide magnetic tape
ISO 5652:1984 Information processing 9-Track, 12,7 mm (0.5 in) wide magnetic tape for information interchange Format and recording, using group coding at 246 cpmm (6 250 cpi)
ISO 468:1982 Surface roughness — Parameters, their values and general rules for specifying requirements
ISO/IEC 1863:1990 Information processing 9-track, 12,7 mm (0,5 in) wide magnetic tape for information interchange using NRZ1 at 32 ftpmm (800 ftpi) 32 cpmm (800 cpi)

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PDF - English
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