Automotive Ethernet Specifications

Below the link to download the specifications listed on our website. 


In addition, please note the 100 Mbps specification is now an IEEE specification available for download at

If you have any questions please  complete this online form 

100Mbit/s specifications

  • System Implementation Specification
  • Advanced diagnostic features for 100BASE-T1 Automotive Ethernet PHYs
  • CMC Test Specification
  • Interoperability Test Suite
  • PHY Control Test Suite
  • PCS Test Suite
  • Specifications for Communication Channel
  • Transceiver EMC Test Specification
  • Physical Media Attachment Test Suite
  • Wake-Up & Sleep specifications
  • IEEE 100 BASE-T1 EMC Test specification for ESD suppression devices

1000Mbit/s specifications

  • OPEN Alliance RGMII EPL Recommendation for Automotive Application
  • Gigabit Ethernet over Plastic Optical Fibre (GEPOF) Specifications 
  • Tranceiver EMC Test Specification
  • EMC Test Specifications for CMC
  • Link Segement Type A (UTP) Channel and Components Specifications 

Speed independent

  • Test Process - ECU and Network test
  • Ethernet ECU Test Specification 
  • Ethernet Switch Requirements