title: Automotive Ethernet
author:  Kirsten Matheus 
description: Learn how automotive Ethernet is revolutionizing in-car networking from the experts at the core of its development. Providing an in-depth account of automotive Ethernet, from its background and development, to its future prospects, this book is ideal for industry professionals and academics alike.
zlib_text: 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  ![](index-1_1.jpg)
  
  
  
  
  
  Service Source
  
  
  K
  
  
  Ethernet and LocalTalk
  
  
  Products
  
  
  ![](index-2_1.jpg)
  
  
  
  
  
  Service Source
  
  
  K
  
  
  Specifications
  
  
  Ethernet and LocalTalk Products
  
  
  ![](index-3_1.png)
  
  
  **** **** **** ****
  
  
  Specifications
  
  
  RJ-11 LocalTalk Connectors - 1
  
  
  RJ-11 LocalTalk Connectors
  
  
  **Topology**
  
  
  Bus or star topology
  
  
  Star implemented using central hub (not available from Apple) **Termination**
  
  
  Required at both ends of cable
  
  
  Terminating resistor provided with each connector **Connector Types**
  
  
  Device side: DB-9 for Macintosh 128K, 512K, 512K enhanced, Plus, and
  LaserWriter/LaserWriter Plus; mini DIN-8 for all other AppleTalk compatible
  Apple products Network side: RJ-11
  
  
  **Transmission Speed**
  
  
  230.4 Kbps
  
  
  ![](index-4_1.png)
  
  
  **** **** **** **** ****
  
  
  Specifications
  
  
  RJ-11 LocalTalk Connectors - 2
  
  
  **Cable Type**
  
  
  Unshielded twisted pair (utp)
  
  
  Only outer pair of pins (pins 2 and 5) of the four wires are used; inner pair,
  pins 3 and 4, 