© ISO 2016Road vehicles — Local Interconnect Network (LIN) — Part 4: Electrical physical layer (EPL) specification 12 V/24 V Véhicules routiers — Réseau Internet local (LIN) — Partie 4: Spécification  de la couche électrique physique (EPL) 12V/24VINTERNATIONAL STANDARDISO 17987-4 First edition 2016-09-01 Reference number ISO 17987-4:2016(E) --``,,,`````````,`,,`,``,,`,`,,,-`-`,,`,,`,`,,`--- ISO 17987-4:2016(E) ii © ISO 2016 – All rights reservedCOPYRIGHT PROTECTED DOCUMENT © ISO 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 • CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org --``,,,`````````,`,,`,``,,`,`,,,-`-`,,`,,`,`,,`--- ISO 17987-4:2016(E) Foreword ........................................................................................................................................................................................................................................ iv Introduction .................................................................................................................................................................................................................................. v 1 S cope ................................................................................................................................................................................................................................. 1 2 Normati ve references ...................................................................................................................................................................................... 1 3 T erms, definitions, symbols and abbreviated terms ....................................................................................................... 1 3.1 T erms and definitions ....................................................................................................................................................................... 1 3.2 S ymbols ......................................................................................................................................................................................................... 2 3.3 A bbreviated terms ............................................................................................................................................................................... 5 4 C onventions ............................................................................................................................................................................................................... 6 5 Electrical ph ysical layer requirements .......................................................................................................................................... 6 5.1 Bit r ate deviation ................................................................................................................................................................................... 6 5.1.1 12 V LIN systems: Parameters ............................................................................................................................. 6 5.1.2 24 V LIN systems: Parameters ............................................................................................................................. 7 5.2 Timing r equirements .............................................................................................................................................................