As 1011-1993 Information Processing Systems - Unrecorded 12.7 Mm (0.5 in) Wide Magnetic Tape for Information

8/2/2019 As 1011-1993 Information Processing Systems - Unrecorded 12.7 Mm (0.5 in) Wide Magnetic Tape for Information

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AS 10111993ISO/IEC 1864: 1992

Australian Standard

Information processing systemsUnrecorded 12.7 mm (0.5 in) widemagnetic tape for informationinterchange32 ftpmm (800 ftpi),NRZ1, 126 ftpmm (3 200 ftpi) phase

encoded and 356 ftpmm (9 042 ftpi),NRZ1

[ISO/IEC title: 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]


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This Australian Standard was prepared by Committee IT/10, InformationSystems Equipment. It was approved on behalf of the Council of StandardsAustralia on 4 March 1992 and published on 17 May 1993.

The following interests are represented on Committee IT/10:

Australian Bankers Association

Australian Information Industry Association

Data media manufacturers

Interface developers

La Trobe University

Review of Austr alia n Standards. To keep abreast of progress in industry, Australian Standards are subject to periodic review and are kept up to date by the issue of amendments or new editions as necessary. It isimportant t herefore t hat Standards users ensure that they are i n possession of t he latest edition, and anyamendments thereto.Full details of all Australian Standards and related publications will be found in the Standards AustraliaCatalogue of Publications; t his information is supplemented each month by t he magazine The AustralianStandard, which subscribing members receive, and which gives details of new publications, new editionsand amendments, and of withdrawn Standards.Suggestions for improvements to Australian Standards, addressed to the head office of Standards Australia,

are welcomed. Notification of any inaccuracy or ambiguity found in an Australian Standard should be madewithout delay in order that the matter may be investigated and appropriate action taken.


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AS 10111993

Australian Standard

Information processing systemsUnrecorded 12.7 mm (0.5 in) widemagnetic tape for informationinterchange32 ftpmm (800 ftpi),NRZ1, 126 ftpmm (3 200 ftpi) phase

encoded and 356 ftpmm (9 042 ftpi),NRZ1

First published as AS 10111986.Second edition 1993.

PUBLISHED BY ST ANDARDS AUSTRALIA(STANDARDS ASSOCIATION OF AUSTRALIA)1 THE CRESCENT, HOMEBUSH, NSW 2140

ISBN 0 7262 8111 5


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PREFACE

This Standard was prepared by the Standards Australia Committee on Information SystemsEquipment to supersede AS 1011 1986. It is identical with, and has been reproduced from,ISO/IEC 1864:1992, Information technology Unrecorded 12,7 mm (0,5 in) wide magnetic

tape for i nformation interchange 32 ftpmm (800 ftpi), NRZ 1, 126 ftpmm (3 200 ftpi) phaseencoded and 356 ftpmm (9 042 ftpi), NRZ1.

Under arrangements made between Standards Australia and the i nternational Standardsbodies, ISO and IEC, as well as certain other Standards organizations, users of this Standardare advised of the following:

(a) Copyright is vested in Standards Australia.

(b) The number of this Standard is not reproduced on each page: its identity is shown onlyon the cover and title pages.

For the purpose of this Standard, the ISO/IEC text should be modified as follows:

(i) Terminology The words Australian Standard, should replace the words InternationalStandard wherever they appear.

(ii) References The references to International Standards should be replaced by referencesto the alloying Australian Standards:

Reference to Internat ionalStandard or other Publication

ISO209 W r ou gh t a lu m i ni um a n d

aluminium alloys Chemicalcomposi ti on and f orms of products

209-1 Part 1: Chemical composition468 Surface roughness

Parameters, their values andgeneral rules for specifyingrequirements

1863 I nf o r ma t i on p ro c es s i ng 9-Track, 12,7 mm (0,5 in) widemagnetic tape for informationin terchange using NRZ1 a t32 ftpmm (800 ftpi) 32 cpmm(800 cpi)

5652 I nf o r ma t i on p ro c es s i ng 9-Track, 12,7 mm (0.5 in) widemagnetic tape for informationi nt er cha ng e F or mat a ndrecording, using group coding at246 cpmm (6 250 cpi)

6098 I nf o r ma t i on p ro c es s i ng Self-loading car tridges , for12,7 mm (0.5 in) wide magnetictape

Austr ali an Standard

AS

2536 Surface texture

1009 I nf o r ma t i on p r oc e ss in g 9-track, 12.7 mm wide magnetictape for information interchangerecorded at 32 rpmm

2750 I nf o r ma t i on p r oc e ss in g 9-track, 12.7 mm (0.5 in) widemagnetic tape for informationi n t e r c h an g e F o r m a t a n drecording, using group coding at246 cpmm (6250 cpi)

2631 I nf o r ma t i on p r oc e ss in g Se lf - loading car t r idges for12.7 mm wide magnetic tape


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ISO/IEC3788 I nf o r ma t i on p ro c es s i ng

9 track, 12,7 mm (0,5 in) widemagnetic tape for informationinterchange using phase encodingat 126 f tpmm, (3 200 ftpi)63 cpmm (1 600 cpi)

ASTMD 2000 Rubber products in automotive

applications, classification systemfor

2241 Data storage and transfermedia 9-track, 12.7 mm widemagnetic tape for informationinterchange using phase encodingat 126 ftpmm 63 cpmm

Copyright STANDARDS AUSTRALIA

Users of Standards are reminded that copyright subsists in all Standards Australia publications and software. Except where theCopyright Act allows and except where provided for below no publications or software produced by Standards Australia may bereproduced, stored in a retrieval system in any form or transmitted by any means without prior permission in writing fromStandards Australia. Permission may be conditional on an appropriate royalty payment. Requests f or permission and information oncommercial software royalties should be directed to the head office of Standards Australia.

Standards Australia will permit up to 10 percent of the technical content pages of a Standard to be copied for useexclusively in-house by purchasers of the Standard without payment of a royalty or advice t o Standards Australia.Standards Australia will also permit the inclusion of its copyright material in computer software programs for no royaltypayment provided such programs are used exclusively in-house by the creators of the programs.

Care should be taken to ensure that material used is from the current edition of t he Standard and that it i s updated whenever theStandard is amended or revised. The number and date of the Standard should t herefore be clearly i dentified.The use of material in print form or in computer software programs to be used commercially, with or without payment, or incommercial contracts is subject to the payment of a royalty. This policy may be varied by Standards Australia at any time.


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Information processing systemsUnrecorded12.7 mm (0.5 in) wide magnetic tape forinformation interchange32 ftpmm (800 ftpi),NZR1, 126 ftpmm (3 200 ftpi) phase encodedand 356 ftpmm (9 042 ftpi), NZR1

1 Scope

This International Standard specifies the characteristicsof 12,7 mm (0,5 in) wide magnetic tape with reel, toenable magnetic and mechanical interchangeability ofsuch tape between information processing systems.

This International Standard applies solely to magnetictape or digital recording using the method of recordingat 32 ftpmm and 356 ftpmm (800 ftpi and 9 042 ftpi) orthe phase-encoded method of recording at 126 ftpmm(3 200 ftpi) in which the direction of magnetization isnominally longitudinal.

NOTE 1 Some numeric values in t he SI and/or Imperialmeasurement system in this International Standard have beenrounded off and therefore are consistent with, but not exactlyequal to, each other. Either system may be used, but the twoshould be neither intermixed nor re converted. The originaldesign was made using the Imperial measurement system.

2 Normative references

The following standards contain provisions which,through reference in this text, constitute provisions ofthis International Standard. At the time of publication,the editions indicated were valid. All standards aresubject to revision, and parties to agreements based onthis International Standard are encouraged toinvestigate the possibility of applying the most recenteditions of the standards indicated below. Members ofIEC and ISO maintain registers of currently validInternational Standards.

ISO 209-1:1989, Wrought aluminium and aluminium alloys Chemical composition and forms of prod-

ucts Part 1: Chemical composition.

ISO 468:1982, Surface roughness P arameters, their values and general rules for specifying requirements.

ISO 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).

ISO/IEC 3788:1990, Information processing 9-track,12,7 mm (0,5 in) w ide magnetic tape for information interchange using phase encoding at 126 ftpmm (3 200 ftpi), 63 cpmm (1 600 cpi).

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 6098:1984, Information processing Self-loading cartridges for 12,7 mm (0.5 in) wide magnetic tape.

ASTM D 2000, Rubber products in automotive applications, classification system for.

3 Definitions

For the purposes of this International Standard, thefollowing definitions apply.

3.1 magnetic tape: A tape that will accept and retainthe magnetic signals intended for input, output andstorage purposes on computers and associatedequipment.

3.2 Master Standard Reference Tape: A tape selec-ted as the standard for signal amplitude.

NOTE 2 A Master Standard Reference Tape has beenestablished at the US National Institute of Standards and

COPYRIGHT


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As 1011-1993 Information Processing Systems - Unrecorded 12.7 Mm (0.5 in) Wide Magnetic Tape for Information