© ISO 2019Road vehicles — Local Interconnect Network (LIN) — Part 8: Electrical physical layer (EPL) specification: LIN over DC powerline (DC-LIN) Véhicules routiers — Réseau Internet local (LIN) — Partie 8: Spécification  de couche physique électrique  (EPL): LIN sur  ligne d'alimentation  en courant continu (DC-LIN)INTERNATIONAL STANDARDISO 17987-8 First edition 2019-10 Reference number ISO 17987-8:2019(E) ISO 17987-8:2019(E) ii © ISO 2019 – All rights reservedCOPYRIGHT PROTECTED DOCUMENT © ISO 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 CP 401 • Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ISO 17987-8:2019(E) Foreword ........................................................................................................................................................................................................................................ iv Introduction .................................................................................................................................................................................................................................. v 1 Scope ................................................................................................................................................................................................................................. 1 2 Normative references ...................................................................................................................................................................................... 1 3 Terms, definitions, symbols, and abbreviated terms ..................................................................................................... 1 3.1 Terms and definitions ....................................................................................................................................................................... 2 3.2 Symbols and abbreviated terms ............................................................................................................................................... 2 4 Electrical physical layer requirements .......................................................................................................................................... 5 4.1 General ........................................................................................................................................................................................................... 5 4.2 Transmitter characteristics .......................................................................................................................................................... 6 4.2.1 Transmit signal specification ................................................................................................................................ 6 4.2.2 Byte field modulation scheme .............................................................................................................................. 7 4.2.3 Break field modulation scheme ....................................................................................................................... 14 4.2.4 Wake-up signal modulation scheme ............................................................................................................ 15 4.3 Timing requirements .....................................................................................