ISO/IEC INTERNATIONAL STANDARD 9314-3 First edition 1990-10-15 Information processing systems Fibre distributed Data Interface (FDDI) - Part 3: Physical Layer Medium Dependent (PMD) Reference number ISO/IEC 9314-3 : 1990 (E) Copyright Intermational Organization for Standardization rovided by IHS rmitted without license from IHS Not for Resale ISO/IEC 9314-3 : 1990 (E) Contents Page Foreword vi Introduction. vii 1 Scope. 1 2 Normative references 2 3 Definitions 2 4 Conventions and abbreviations. 4.1 Conventions 5 4.2 Abbreviations. 5 6 General description . 6 5.1 Ring Overview .6 6.2 Environment 6 Services. 9 6.1 PMD-to-PHY services. 10 6.2 PMD-to-SMT services 13 7 Media attachment 14 7.1 Media Interface Connector (MIC) 15 7.2 MIC intermateability detail. 20 8 Media signal interface 20 8.1 Active output interface 20 8.2 Active input interface. 22 8.3 Station bypass interface 23 ?ISO/IEC1990 All rights reserved. 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 the publisher. InternationalOrganizationforStandardization Case postale 56. CH-1211 Geneve 20. Switzerland Printed in Switzerland Copyright Intermational Organizationfor Standardization Ovided by IHS Not for Resale ISO/IEC 9314-3 : 1990 (E) 8.4 Station bypass timing definitions 23 9 Interface signals. 26 9.1 Optical Receiver. 26 9.2 Optical Transmitter. 28 10 Cable Plant Interface Specification 28 10.1 Cable plant specification 28 10.2 Bypassing. 29 10.3 Connectors and splices 30 Tables Table 1 Characteristics of active output interface .... 21 Table 2 Characteristics of active input interface..... 24 Table 3 Characteristics of station bypass interface... 24 Table 4 Summary of assertion and deassertion requirements. .28 Table 5 Suggested fibre for a cable plant . 29 Table 6 Bandwidth and attenuation values. . . . Figures Figure 1 FDDI links and connections Figure 2 FDDI topology example . 8 Figure 3 Dual attachment PMD services. 11 Figure 4 Example of Media Interface Connector (MIC) plug. 15 Figure 5 MIc receptacle - fibre/device. 16 Figure 6 MIc receptacle - fibre/fibre 17 Figure 7 Mic ferrule geometry. 18 Figure8 Receptacle keying detail. 19 Figure 9 Source spectral width and centre wavelength requirements . 21 Figure 10 Pulse envelope 22 Copyright Intermational Organization for Standardization ii Not for Resale