IEC ISO/IEC14776-415 ISO Edition 1.02019-12 INTERNATIONAL STANDARD colour inside Information technology-Small Computer System Interface (ScSl)- Part 415: SCSI Architecture Model - 5 (SAM-5) ISO/IEC 14776-415:2019-12(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2019 ISO/IEC, Geneva, Switzerland 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 IEc or IEC's member National Committee in the country of the requester. If you have any questions about ISO/IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC International Standards for all electrical, electronic and related technologies. AboutIECpublications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that youhave the latestedition,a corrigendum oran amendmentmighthavebeenpublished. IECpublicationssearch-webstore.iec.ch/advsearchform Electropedia - www.electropedia.org The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology, varietyofcriteria(referencenumber, text，technical containingmorethan22000terminologicalentries in English committee,...).It also gives information onprojects,replaced and French, with equivalent terms in 16 additional languages. and withdrawn publications. Alsoknown as the International Electrotechnical Vocabulary (IEV) online. IEC JustPublished-webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary details all new publications released. Available online and once 67 000 electrotechnical terminology_entries in English and a month by email. French extractedfrom theTerms and Definitions clause of IEC publications issued since 2002. Some entries have been IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and If you wish to give us your feedback on this publication or need CISPR. further assistance,please contact the Customer Service Centre:[email protected]. IEC ISO SO/EC 14776-415 Edition 1.02019-12 INTERNATIONAL STANDARD colour inside Informationtechnology-Small ComputerSystem Interface (ScSl)- Part415:SCSIArchitectureModel-5(SAM-5) INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 35.200 ISBN 978-2-8322-7662-4 Warning! Make sure that you obtained this publication from an authorized distributor. ISO/IEC IEC 14776-415 Information technology - Small Computer System Interface (SSl) - Part 415: SCSI Architecture Model - 5 (SAM-5) Reference number ISO/IEC 14776-415:2019 ISO/IEC 2019 Printed Wednesday, October 30, 2019 4:56 pm - 2 - ISO/IEC 14776-415:2019 @ISO/IEC 2019 1 Scope..... 15 2 Normative references... 3 Terms, definitions, symbols, abbreviations, and conventions . 3.2 Symbols and Abbreviations ... .30 3.2.1 Abbreviations.... 30 3.2.2 Units.... .30 3.3 Keywords.. .30 3.4 Editorial conventions... 3.5 Numeric and character conventions .... .33 .1 Numeric conventions....... 3.5.2 Byte encoded character strings conventions .34 3. UML notation conventions........ .34 3.6.1 Notation conventions overview .. 3.6.2 Constraint and note conventions .. 34 3.3 Class diagram conventions..... 3.6.4 Object diagram conventions ... .40 3.7State machine conventions. .42 3.7.1 State machine conventions overview... 3.7.2 Transitions ... 43 3.7.3 Messages, requests, indications, confirmations, responses, and event notifications. 3.7.4 State machine counters, timers, and variables ..... 44 3.8 Bit and byte ordering .... 3.9 Notation for procedure calls.. .46 4 scsI architecture model ... 4.1 Overvie