ITU-T Rec. X.681 (07/2002) Information technology - Abstract Syntax Notation One (ASN.1): Information object specification Summary Source FOREWORD CONTENTS Introduction 1 Scope 2 Normative references 2.1 Identical Recommendations | International Standards 3 Definitions 3.1 Specification of basic notation 3.2 Constraint specification 3.3 Parameterization of ASN.1 specification 3.4 Additional definitions 4 Abbreviations 5 Convention 6 Notation 6.1 Assignments 6.2 Types 6.3 Values 6.4 Elements 7 ASN.1 lexical items 7.1 Information object class references 7.2 Information object references 7.3 Information object set references 7.4 Type field references 7.5 Value field references 7.6 Value set field references 7.7 Object field references 7.8 Object set field references 7.9 Word 7.10 Additional keywords 8 Referencing definitions 9 Information object class definition and assignment 10 Syntax List 11 Information object definition and assignment 12 Information object set definition and assignment 13 Associated tables 14 Notation for the object class field type 15 Information from objects Annex A - The TYPE-IDENTIFIER information object class Annex B - Abstract syntax definitions Annex C - The instance-of type Annex D - Examples D.1 Example usage of simplified OPERATION class D.2 Example usage of "ObjectClassFieldType" D.3 Illustrate usage of objects and object sets Annex E - Tutorial annex on the ASN.1 model of object set extension Annex F - Summary of the notation