ISO-22051-2002.pdf
《ISO-22051-2002.pdf》由会员分享,可在线阅读,更多相关《ISO-22051-2002.pdf(68页珍藏版)》请在三一文库上搜索。
1、 Reference number ISO/IEC 22051:2002(E) ISO/IEC 2002 INTERNATIONAL STANDARD ISO/IEC 22051 First edition 2002-10-01 Information technology Data interchange on 12,7 mm, 448-track magnetic tape cartridges SDLT1 format Technologies de linformation change de donnes sur cartouche bande magntique 12,7 mm,
2、448 pistes Format SDLT1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 00:54:43 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 22051:200
3、2(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this f
4、ile, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. 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
5、relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. I
6、SO/IEC 2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body i
7、n the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO/IEC 2002 All rights reserved Copyright International Organization for Standardization Provided by IH
8、S under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 00:54:43 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 22051:2002(E) ISO/IEC 2002 All rights reserved iii Contents 1 Scope 1 2 Conformance 1 2.1 Magnetic tape
9、cartridges 1 2.2 Generating systems 1 2.3 Receiving systems 1 3 Normative references 1 4 Terms and definitions 1 4.1 back surface 1 4.2 Beginning-Of-Tape marker (BOT) 1 4.3 block 2 4.4 byte 2 4.5 cartridge 2 4.6 Cyclic Redundancy Check (CRC) character 2 4.7 Error-Detecting Code (EDC) 2 4.8 End-Of-Ta
10、pe marker (EOT) 2 4.9 Entity 2 4.10 Error-Correcting Code (ECC) 2 4.11 Envelope 2 4.12 Envelope size 2 4.13 flux transition position 2 4.14 flux transition spacing 2 4.15 logical track 2 4.16 magnetic tape 2 4.17 Master Standard Reference Tape 2 4.18 object 2 4.19 page 2 4.20 recording density 2 4.2
11、1 physical track 2 4.22 Record 3 4.23 Reference Edge 3 4.24 Reference Field 3 4.25 Secondary Standard Reference Tape 3 4.26 Standard Reference Amplitude (SRA) 3 4.27 Standard Reference Current 3 4.28 Test Recording Current 3 4.29 Typical Field 3 5 Conventions and notations 3 5.1 Representation of nu
12、mbers 3 5.2 Dimensions 3 5.3 Names 3 5.4 Acronyms 3 6 Environment and safety 4 6.1 Cartridge and tape testing environment 4 6.2 Cartridge operating environment 4 6.3 Cartridge storage environment 4 6.4 Safety 4 6.5 Flammability 4 6.6 Transportation 4 Copyright International Organization for Standard
13、ization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 00:54:43 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 22051:2002(E) iv ISO/IEC 2002 All rights reserved Section 2 - Requirements for the
14、 unrecorded tape 5 7 Mechanical and electrical requirements 5 7.1 Material 5 7.2 Tape length 5 7.3 Tape width 5 7.4 Tape thickness 5 7.5 Discontinuity 5 7.6 Longitudinal curvature 5 7.6.1 Requirements 5 7.6.2 Procedure 5 7.7 Out-of-Plane distortions 5 7.8 Cupping 5 7.9 Roughness of the coating surfa
15、ces 6 7.9.1 Roughness of the back coating surface 6 7.9.2 Roughness of the magnetic coating surface 6 7.10 Coating adhesion 6 7.11 Layer-to-layer adhesion 6 7.11.1 Requirements 6 7.11.2 Procedure 6 7.12 Modulus of elasticity 7 7.12.1 Requirement 7 7.12.2 Procedure 7 7.13 Flexural rigidity 8 7.13.1 R
16、equirement 8 7.13.2 Procedure 8 7.14 Tensile yield force 8 7.14.1 Procedure 8 7.15 Electrical resistance 8 7.15.1 Requirement 8 7.15.2 Procedure 8 7.16 Inhibitor tape 9 7.17 Light transmittance of the tape and the leader 9 7.18 Abrasivity 9 7.19 Coefficient of dynamic friction 9 7.19.1 Requirements
17、9 7.19.2 Procedure for the measurement of the friction between the magnetic surface and the back surface 9 7.19.3 Procedure for the measurement of the friction between the magnetic surface or the back surface and calcium titanate ceramic 10 7.20 Servo 10 7.20.1 Servo Bands 10 7.20.2 Servo Tracks 11
18、7.20.3 Signal 11 7.20.4 Signal-to Noise Ratio 11 7.20.5 Missing servo mark 11 8 Magnetic recording characteristics 12 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 00:54:
19、43 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 22051:2002(E) ISO/IEC 2002 All rights reserved v 8.1 Typical Field 13 8.2 Signal amplitude 13 8.3 Resolution 13 8.4 Overwrite 13 8.4.1 Requirement 13 9 Tape quality 13 9.1 Missing pulses 13 9.1.1 Requirement 13 9.2
20、Missing pulse zone 13 9.2.1 Requirement 13 9.3 Tape durability 13 Section 3 - Mechanical specifications of the tape cartridge 14 10 General 14 10.1 Bottom side and right side 14 10.2 Back side and left side 15 10.3 Tape reel 16 10.4 Tape leader 17 10.5 Front side 18 10.6 Operation of the cartridge 1
21、8 10.7 Tape winding 19 10.8 Moment of inertia 19 10.9 Material 19 Section 4 - Requirements for an interchanged tape 29 11 Tape format 29 11.1 Reference Edge 29 11.2 Direction of recording 29 11.3 Tape layout 29 11.3.1 Data Area 29 11.3.2 Forward Alignment and Directory Area 31 11.3.3 Reverse Alignme
22、nt Area at EOT 32 12 Data format 33 12.1 Record 33 12.2 Data Bytes 33 12.3 Data Field 33 12.3.1 Pages 34 12.3.2 Pad Bytes 34 12.3.3 Page layout 34 12.3.4 MAP entries 34 12.3.5 EDC 35 12.4 Data Blocks 35 12.4.1 Control Field 1 (CF1) 36 12.4.2 Control Field 2 (CF2) 37 12.4.3 CRC 39 13 Method of record
23、ing 39 13.1 Physical recording density 40 13.2 Channel bit cell length 40 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/05/2007 00:54:43 MDTNo reproduction or networking permitte
24、d without license from IHS -,-,- ISO/IEC 22051:2002(E) vi ISO/IEC 2002 All rights reserved 13.2.1 Average Channel bit cell length 40 13.2.2 Long-term average Channel bit cell length 40 13.2.3 Short-term average Channel bit cell length 40 13.3 Read signal amplitude 40 13.4 Channel skew 40 14 Block Re
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ISO 22051 2002
链接地址:https://www.31doc.com/p-3776505.html