IEEE 802.3bw Ethernet Standard
Standard for Ethernet - Amendment: Physical layer specifications and management parameters for 100 Gb/s operation over 4 lanes of multimode fiber, enabling high-speed automotive diagnostic networks and advanced key programming systems. Implement cutting-edge diagnostic solutions and accelerate your ECU programming workflows with professional-grade Ethernet infrastructure.
Standard Overview
Standard Code
IEEE 802.3bw-2015
Publication Date
2015-06-25
Status
Active IEEE Standard
Application
High-Speed Ethernet
Technical Specifications
Data Rate
High-speed Ethernet transmission capability
Fiber Specifications
Multimode fiber requirements and capabilities
Physical Layer
Physical interface and connector specifications
Automotive Applications
Diagnostic Networks
High-bandwidth vehicle diagnostic and programming systems
Manufacturing Systems
Production line integration and quality control networks
Frequently Asked Questions
What is IEEE 802.3bw?
IEEE 802.3bw is an Ethernet standard that defines physical layer specifications and management parameters for 100 Gb/s operation over 4 lanes of multimode fiber, enabling high-speed automotive diagnostic networks.
What are the key specifications of IEEE 802.3bw?
IEEE 802.3bw specifies 100 Gb/s data rate over 4 lanes of OM3/OM4 multimode fiber with reach up to 100m for OM3 and 150m for OM4 fiber types.
How does IEEE 802.3bw apply to automotive systems?
IEEE 802.3bw enables high-bandwidth automotive diagnostic networks, supporting advanced key programming systems, ECU flashing, and real-time vehicle data analysis with 100 Gb/s throughput.
What is the difference between OM3 and OM4 fiber?
OM4 fiber provides longer reach (150m vs 100m) and better performance than OM3 fiber for 100GBASE-SR4 applications, making it preferred for larger automotive facilities.
Legal Information & Compliance
Professional Implementation Notice
This technical information is provided for professional network engineers and automotive technicians. Always consult official IEEE documentation and manufacturer specifications for critical infrastructure deployments. Contact our engineering team for implementation guidance and network design consultation.
Standards Compliance
All information presented complies with current IEEE 802.3bw specifications and industry best practices for high-speed Ethernet networks. For the most current standards, verify with official IEEE publications and relevant certification bodies.
Technical Support
Professional implementation support available for automotive diagnostic network design and 100G Ethernet infrastructure projects. Request consultation for complex network architectures and performance optimization strategies.