ISO/IEC INTERNATIONAL STANDARD 15895 First edition 1999-12-15 Information technology Data interchange on 12,7 mm 128-track magnetic tape cartridges DLT 3-XT format Technologies de I'information Echange de données sur cartouches de bande magnétique de 12,7 mm, 128 pistes - Format DLT 3-XT Reference number ISO/IEC 15895:1999(E) E( @ISO/IEC 1999 ted without license from IHS Not for Resale ISO/IEC15895:1999(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's 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 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 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 ISO/IEC1999 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 ISO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 734 10 79 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ISO/IEC1999-All rights reserved py IHS unde ermitted without license from IHS Not for Resale @ISO/IEC ISO/IEC 15895:1999 (E) Contents Section 1 - General 1 1 Scope 1 2 Conformance 1 2.1 Magnetic tape cartridges 1 2.2 Generating systems 1 2.3 Receiving systems 1 3 Normative references 1 4 Definitions 2 4.1 Average Signal Amplitude 2 4.2 azimuth 2 4.3 back surface 2 4.4 Beginning-Of-Tape markers (BOT 1 and BOT 2) 2 4.5 byte 2 4.6 cartridge 2 4.7 Cyclic Redundancy Check (CRC) character 2 4.8 Early Warning (EW) 2 4.9 Error-Detecting Code (EDC) 2 4.10 End-Of-Tape marker (EOT) 2 4.11 Entity 2 4.12 Error-Correcting Code (ECC) 2 4.13 flux transition position 2 4.14 flux transition spacing 22 4.15 Logical Block 4.16 logical track 2 4.17 magnetic tape 2 4.18 Master Standard Reference Tape 2 4.19 object 2 4.20 page 2 4.21 physical block 2 4.22 physical recording density 2 4.23 physical track 2 4.24 Record 22 4.25 Reference Edge 4.26 Reference Field 2 4.27 Secondary Standard Reference Tape 23 4.28 Standard Reference Amplitude (SRA) 4.29 Standard Reference Current 3 ili azati Standardizain etworking permitted without license from IHS Not for Resale