Automotive Ethernet media converter

July 2026 Fieldbus & Industrial Networking

HMS Networks has introduced its first automotive ethernet product under the PEAK brand. The PAE-Media Converter is a compact device designed to connect automotive Ethernet, 100BASE-T1 or 1000BASE-T1, with standard Ethernet, 100BASE-TX or 1000BASE-T, networks. As a media converter, it enables automotive engineers to simplify development, testing and validation workflows within the 100 Mbit/s and 1000 Mbit/s domains.

Unique features for automotive testing

The PAE-Media Converter addresses key challenges in automotive development and validation with three core capabilities. It enables realistic fault simulation by allowing physical interruption of the automotive ethernet link, triggering directly on the device or via an application programming interface to support reproducible and controlled test scenarios.

“We empower engineers with simple and powerful tools. With our unique physical link interruption functionality, we enable them to create real fault conditions in test scenarios without unplugging the device, saving time and wear,” says Kristofer Koch, product manager at HMS Networks.

The device combines H-MTD and MATEnet connector support in one unit, reducing hardware complexity, investment risks and enabling faster setups. “With only one device we cover the two de facto connection standards in the market, with no additional adapters needed,” says Koch.

The PAE-Media Converter provides plug-and-play operation with optional API control and selectable dual-speed conversion,100/1000BASE-T1, via a DIP switch. This hardware-only configuration means engineers can start immediately without software while retaining the flexibility to integrate the device into automated test environments.

Designed for practical engineering use

The PAE-Media Converter features a robust aluminium housing of 145 × 61 × 46 mm, and an extended operating temperature range from -40 to 85°C, ensuring reliable performance in testing environments. LED indicators provide direct feedback on link status, signal quality and errors for intuitive on-device diagnostics, supporting efficient troubleshooting during development and testing.

Flexible integration and automation

The media converter connects directly to standard tools, enabling immediate use in development and analysis workflows. An integrated frame generator supports link validation and wiring tests.

Available accessories include H-MTD and MATEnet cables for automotive ethernet connections, as well as a DIN-rail adapter for integration into test benches and industrial setups.

“Automotive ethernet, especially within the 100/1000 Mbit/s domains, is a key technology for software-defined vehicles,” says Koch, highlighting PEAK’s strategic move into this emerging market. “With our strong background in CAN, PEAK has long been a proven expert in in-vehicle communication. With the addition of automotive Ethernet, we are now extending this expertise to cover the full in-vehicle network landscape. For engineers, this means one reliable partner across both technologies. With the PAE-Media Converter, we provide a first simple, yet powerful, tool to bridge development and testing environments, with a lot more to come in the future.”

For more information contact HMS Networks, [email protected], www.peak-system.com

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