CAN CSA-ISO IEC 16382-2004 Information technology - Data interchange on 12 7 mm 208-track magnetic tape cartridges - DLT 6 format.pdf

1、Reference numberISO/IEC 16382:2000(E)ISO/IEC 2000Information technology Datainterchange on 12,7 mm 208-trackmagnetic tape cartridges DLT 6 formatTechnologies de linformation change de donnes sur cartouchesde bande magntique de 12,7 mm 208 pistes Format DLT 6National Standard of CanadaCAN/CSA-ISO/IEC

2、 16382:04(ISO/IEC 16382:2000)International Standard ISO/IEC 16382:2000 (first edition, 2000-05-15) has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 16382:04, which has been approved as a NationalStandard of Canada by the Standards Council of Canada.ISBN 1-55397-728-9 Decemb

3、er 2004The Canadian Standards Association (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, voluntary membership association eng

4、aged in standards development and certification activities. CSA standards reflect a national consensus of producers and users including manufacturers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards are used widely by industry and commerce and of

5、ten adopted by municipal, provincial, and federal governments in their regulations, particularly in the fields of health, safety, building and construction, and the environment. Individuals, companies, and associations across Canada indicate their support for CSAs standards development by volunteeri

6、ng their time and skills to CSA Committee work and supporting the Associations objectives through sustaining memberships. The more than 7000 committee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen. Sustaining memberships repres

7、ent a major source of income for CSAs standards development activities. The Association offers certification and testing services in support of and as an extension to its standards development activities. To ensure the integrity of its certification process, the Association regularly and continually

8、 audits and inspects products that bear the CSA Mark. In addition to its head office and laboratory complex in Toronto, CSA has regional branch offices in major centres across Canada and inspection and testing agencies in eight countries. Since 1919, the Association has developed the necessary exper

9、tise to meet its corporate mission: CSA is an independent service organization whose mission is to provide an open and effective forum for activities facilitating the exchange of goods and services through the use of standards, certification and related services to meet national and international ne

10、eds.For further information on CSA services, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada is the coordinating body of the National Standards system, a federation of independent, autonomous organizations working t

11、owards the further development and improvement of voluntary standardization in the national interest. The principal objects of the Council are to foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, safety, and welfare of the public, assis

12、ting and protecting the consumer, facilitating domestic and international trade, and furthering international cooperation in the field of standards. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one which reflects a reasonable agreement am

13、ong the views of a number of capable individuals whose collective interests provide to the greatest practicable extent a balance of representation of producers, users, consumers, and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard which is capa

14、ble of making a significant and timely contribution to the national interest. Approval of a standard as a National Standard of Canada indicates that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval does not refer to the technical content of

15、the standard; this remains the continuing responsibility of the accredited standards development organization. Those who have a need to apply standards are encouraged to use National Standards of Canada whenever practicable. These standards are subject to periodic review; therefore, users are cautio

16、ned to obtain the latest edition from the organization preparing the standard.The responsibility for approving National Standards of Canada rests with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary application of this Standard is

17、 stated in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationCAN/CSA-ISO/IEC 16382:04Information technology Data interchange on 12,7 mm208-track magnetic tape

18、cartridges DLT 6 formatDecember 2004 Canadian Standards Association CSA/1CAN/CSA-ISO/IEC 16382:04Information technology Data interchange on 12,7 mm 208-track magnetic tape cartridges DLT 6 formatStandards development within the Information Technology sector is harmonized with international standards

19、 development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and s

20、ponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).This International Standard was reviewed by the CSA TCIT under the jurisdiction

21、of the Strategic Steering Committee on Information Technology and deemed acceptable for use in Canada. (A committee membership list is available on request from the CSA Project Manager.) From time to time, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for app

22、roval and publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. This Standard has been formally approved as a National Standard of Canada by the Standards Council of Canada.December 2004 Canadian Standards Association 20

23、04All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission ofthe publisher. ISO/IEC material is reprinted with permission. Where the words “this International Standard” appear in the text, they should be interpreted as “this National Stan

24、dard of Canada”.Inquiries regarding this National Standard of Canada should be addressed toCanadian Standards Association5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044www.csa.caReference numberISO/IEC 16382:2000(E)ISO/IEC 2000INTERNATIONALSTANDARDISO/IE

25、C16382First edition2000-05-15Information technology Datainterchange on 12,7 mm 208-trackmagnetic tape cartridges DLT 6 formatTechnologies de linformation change de donnes sur cartouchesde bande magntique de 12,7 mm 208 pistes Format DLT 6ISO/IEC 16382:2000(E)PDF disclaimerThis PDF file may contain e

26、mbedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall notbe edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading thisfile, parties accept therein the responsibility of

27、 not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in thisarea.Adobe is a trademark of Adobe Systems Incorporated.Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameterswer

28、e optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely eventthat a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2000All rights reserved. Unless otherwise speci

29、fied, no part of this publication may be reproduced or utilized in any form or by any means, electronicor mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member bodyin the country of the requester.ISO copyright officeCase p

30、ostale 56 Gb7 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 734 10 79E-mail copyrightiso.chWeb www.iso.chii ISO/IEC 2000 All rights reservedISO/IEC 16382:2000(E) ISO/IEC 2000 All rights reserved iiiContentsSection 1 - General 11 Scope 12 Conformance 12.1 Magnetic tape cartridges 12.2 Generating

31、 systems 12.3 Receiving systems 13 Normative references 14 Terms and definitions 14.1 Average Signal Amplitude 14.2 azimuth 24.3 back surface 24.4 Beginning-Of-Tape marker (BOT) 24.5 block 24.6 byte 24.7 cartridge 24.8 Cyclic Redundancy Check (CRC) character 24.9 Early Warning (EW) 24.10 Error-Detec

32、ting Code (EDC) 24.11 End-Of-Tape marker (EOT) 24.12 Entity 24.13 Error-Correcting Code (ECC) 24.14 Envelope 24.15 Envelope size 24.16 flux transition position 24.17 flux transition spacing 24.18 Group Record 24.19 logical track 24.20 magnetic tape 24.21 Master Standard Reference Tape 24.22 object 2

33、4.23 page 24.24 physical recording density 24.25 physical track 24.26 Record 24.27 Reference Edge 24.28 Reference Field 24.29 Secondary Standard Reference Tape 24.30 Standard Reference Amplitude (SRA) 34.31 Standard Reference Current 34.32 Test Recording Current 34.33 Typical Field 35 Conventions an

34、d notations 35.1 Representation of numbers 35.2 Dimensions 35.3 Names 35.4 Acronyms 3ISO/IEC 16382:2000(E)iv ISO/IEC 2000 All rights reserved6 Environment and safety 36.1 Cartridge and tape testing environment 46.2 Cartridge operating environment 46.3 Cartridge storage environment 46.4 Safety 46.4.1

35、 Safeness 46.4.2 Flammability 46.5 Transportation 4Section 2 - Requirements for the unrecorded tape 47 Mechanical and electrical requirements 47.1 Material 47.2 Tape length 47.3 Width 47.4 Total thickness 57.5 Discontinuity 57.6 Longitudinal curvature 57.6.1 Requirement 57.6.2 Procedure 57.7 Out-of-

36、Plane distortions 57.8 Cupping 57.9 Roughness of the coating surfaces 57.9.1 Roughness of the back coating surface 57.9.2 Roughness of the magnetic coating surface 57.10 Coating adhesion 57.11 Layer-to-layer adhesion 67.11.1 Requirements 67.11.2 Procedure 67.12 Modulus of elasticity 77.12.1 Requirem

37、ent 77.12.2 Procedure 77.13 Flexural rigidity 77.13.1 Requirement 77.13.2 Procedure 77.14 Tensile yield force 77.14.1 Procedure 87.15 Electrical resistance 87.15.1 Requirement 87.15.2 Procedure 87.16 Inhibitor tape 87.17 Abrasivity 87.17.1 Requirement 87.17.2 Procedure 87.18 Light transmittance of t

38、he tape and the leader 97.19 Coefficient of dynamic friction 97.19.1 Requirements 97.19.2 Procedure for the measurement of the friction between the magnetic surface and the back surface 97.19.3 Procedure for the measurement of the friction between the magnetic surface or the back surface and calcium

39、titanate ceramic 10ISO/IEC 16382:2000(E) ISO/IEC 2000 All rights reserved v8 Magnetic recording characteristics 108.1 Typical Field 108.2 Signal amplitude 118.3 Resolution 118.4 Overwrite 118.4.1 Requirement 118.5 Peak shift 118.5.1 Requirement 118.5.2 Procedure 119 Tape quality 129.1 Missing pulses

40、 129.1.1 Requirement 129.2 Missing pulse zone 129.2.1 Requirement 129.3 Tape durability 12Section 3 - Mechanical specifications of the tape cartridge 1210 General 1210.1 Bottom side and right side 1310.2 Back side and left side 1410.3 Tape reel 1410.4 Tape leader 1510.5 Front side 1610.6 Operation o

41、f the cartridge 1610.7 Tape winding 1710.8 Moment of inertia 1710.9 Material 18Section 4 - Requirements for an interchanged tape 2711 Method of recording 2711.1 Physical recording density 2711.2 Channel bit cell length 2711.2.1 Average Channel bit cell length 2711.2.2 Long-term average Channel bit c

42、ell length 2711.2.3 Short-term average Channel bit cell length 2711.3 Flux transition spacing 2711.4 Read signal amplitude 2711.5 Azimuth 2811.6 Channel skew 2812 Tape format 2812.1 Reference Edge 2812.2 Direction of recording 2812.3 Tape layout 2812.4 Calibration and Directory Area 2812.4.1 Scratch

43、 Area 2912.4.2 Guard Area G1 2912.4.3 Calibration Tracks Area 2912.4.4 Guard Area G2 3012.4.5 Directory Area 3012.4.6 Guard Area G3 3012.5 Data Area 3012.5.1 Physical tracks 3112.5.2 Logical tracks 32ISO/IEC 16382:2000(E)vi ISO/IEC 2000 All rights reserved13 Data format 3413.1 Data Bytes 3413.2 Data

44、 Blocks 3413.3 Types of Blocks 3413.4 Entities 3413.5 Envelopes 3413.6 Block format 3413.6.1 Preamble 3513.6.2 Sync 3513.6.3 Data Field 3513.6.4 EDC 3613.6.5 Control Field 1 (CF1) 3713.6.6 Control Field 2 (CF2) 3813.6.7 CRC 3913.6.8 Postamble 3914 Use of blocks 3914.1 Data Blocks 3914.2 Filler Block

45、s 3914.3 End of Track Blocks (EOTR) 3914.4 End of Data Blocks (EOD) 4014.5 ECC Blocks 4015 Format of Entities 4016 Format of Envelopes 4017 Error handling 40AnnexesA - Measurement of light transmittance 41B - Generation of the Data Block CRCs 44C - ECC generation 45D - Generation of page CRCs 48E -

46、Format of MAP entries 49F - Format of Control Field 1 50G - Format of Control Field 2 51H - Recommendations for transportation 52J - Inhibitor tape 53K - Recommendations on tape durability 54L - Handling guidelines 55ISO/IEC 16382:2000(E) ISO/IEC 2000 All rights reserved viiForewordISO (the Internat

47、ional Organization for Standardization) and IEC (the International Electrotechnical Commission) form thespecialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in thedevelopment of International Standards through technical committees established b

48、y the respective organization to deal withparticular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Otherinternational organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work.International Sta

49、ndards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. DraftInternational Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as anInternational Standard requires approval by at least 75 % of the national bodies casting a vote.Attention is drawn to the possibility that some of the elements of this International Standar