OPEN Alliance Automotive Ethernet Specifications

The following specifications are available:

Please click on this link if you want to download the specifications 

10Mbit/s specifications

  • 10BASE-T1S System Implementation Specification
  • 10BASE-T1x MAC-PHY Serial Interface Specification
  • 10BASE-T1S Advanced Diagnostic PHY Features
  • 10BASE-T1S PLCA Management Registers
  • 10BASE-T1S PMD Transceiver Interface
  • 10BASE-T1S Sleep/Wake-up Specification
  • 10BASE-T1S Topology Discovery


100Mbit/s specifications

  • 100BASE-T1 System Implementation Specification
  • 100BASE-T1 Advanced Diagnostic PHY features 
  • 100BASE-T1 Interoperability Test Suite
  • 100BASE-T1 PHY Control Test Suite
  • 100BASE-T1 Physical Coding Sublayer Test Suite
  • 100BASE-T1 Channel and Component Requirements 
  • 100BASE-T1 Physical Media Attachment Test Suite
  • 100BASE-T1 Sleep/Wake-Up Specification
  • 100BASE-T1 EMC Test Specification for Common Mode Chokes 
  • 100BASE-T1 EMC Test Specification for Transceivers 
  • 100BASE-T1 EMC Test Specification for ESD Suppression Devices

1000Mbit/s specifications

  • 1000BASE-T1 Advanced Diagnostic PHY features 
  • 1000BASE-T1 System Implementation Specification
  • 1000BASE-T1 Interoperability Test Suite
  • 1000BASE-T1 RGMII EPL Recommendation for Automotive Application
  • 1000BASE-RHC Gigabit Ethernet over Plastic Optical Fibre (GEPOF) Specifications 
  • 1000BASE-T1 Channel and Components Requirements - Link Segment Type A (UTP)
  • 1000BASE-T1 ESD Device Test Specification 
  • 1000BASE-T1 EMC Test Specification for Common Mode Chokes 
  • 1000BASE-T1 Transceiver EMC Specification
  • 1000BASE-T1 Channel and Components Requirements - Link Segment Type A (STP)
  • 1000BASE-T1 Physical Media Attachment Test Suite
  • 1000BASE-T1 Sleep/Wake-up Specification
  • 1000BASE-T1 and 2.5G/5G/10BASE-T1 Link Segments

Speed independent

  • Test Process - ECU and Network test
  • OPEN Alliance Automotive Ethernet ECU Test Specifications Version 3.0 
  • Ethernet Switch Requirements 
  • Ethernet Switch Test Specification