ISO/IEC INTERNATIONAL STANDARD 10022 Second edition 1996-09-01 Information technology Open Systems Interconnection Physical Service Definition Technologies de I'information -- Interconnexion de systemes ouverts (OSi)Définitionduservicephysique IEC Iso Reference number ISO/IEC10022:1996(E) Copyright Intemational Organization for Standardization dbyIHS se with Not for Resale ISO/IEC 10022:1996(E) Contents Page 1 Scope. 1 2 Normativereferences 1 2.1 Identical Recommendations I International Standards .. 1 3 Definitions.... 1 3.1 Basic Reference Model definitions 1 3.2 Service convention definitions... 2 4 Abbreviations.. 2 5 Conventions.. 2 5.1 General conventions... 2 5.2 2 5.3 PhC endpoint identification convention.. 3 6 Overview and general characteristics. 3 7 Features of the Physical Service.. 3 7.1 The Physical Service offers the following features to a PhS user..... 3 7.2 Other aspects of the Physical Service include.. 4 8 Classes of Physical Service 4 9 Model of the Physical Service... 4 9.1 Model of the layer service.... 4 9.2 Model of a point-to-point PhC ... 5 9.3 Model of a relayed point-to-point PhC where the relay is controlled within the Phs Provider... 5 9.4 Model of a relayed point-to-point PhC where the relay is controlled from the Network Layer.... 6 10 Quality of Physical Service.. 6 10.1 Definition of PhC QOS.. 6 10.2Determination of QOS values.. 8 11 Sequence of primitives 8 11.1Relation of primitives at the two PhC endpoints .. 8 11.2Sequence of primitives at one PhC endpoint . 8 12 PhC activation phase 14 12.1Function. 14 12.2 Types of primitives and parameters 14 12.3 Sequence of primitives. 14 ?ISO/IEC1996 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 micro film, without permission in writing from the publisher. ISO/IEC Copyright Office·Case postale 56.CH-1211Geneve 20·Switzerland Printed in Switzerland zation for Standardization Not for Resale ISO/IEC 10022:1996(E) ?ISO/IEC 13 PhC deactivation phase . 14 13.1Function.... 14 13.2Types of primitives and parameters 14 13.3Sequence of primitives 14 14 Data transfer phase 17 14.1 Function ... 17 14.2Types of primitives and parameters . 17 14.3 Sequence of primitives. 17 Annex A - Internal structure of the Physical Layer .. 18 A.1 Introduction... 18 A.2 Classifications regarding multiplexing ..... 18 A.3 Isochronous transmission.......... 18 Annex B - Operation of data link protocol using the half-duplex physical service.. 20 B.1 Introduction.. 20 B.2 Operation . 20 Annex C -- Composite state transition diagram .. 23 C.1 Introduction.. 23 iii Copyright International Organization for Standardization ed without lice se from IHS Not for Resal