Automotive Ethernet compliance testing

Automotive Ethernet compliance testing

New automotive applications, such as high-powered entertainment systems, are driving up bandwidth requirements and the costs associated with cabling and network interfaces. Automotive Ethernet was designed to meet industry needs: advanced driver assistance systems demand higher data throughput for camera systems and low latency for adaptive cruise control. Automotive ethernet enables fast and cost-effective data communications by connecting automotive bus systems (in-vehicle components). This minimizes cabling, lowering fuel consumption, manufacturing costs and time to market.

Your challenges and the OPEN Alliance

The automotive industry has specified the OPEN Alliance BroadR-Reach® (OABR) physical layer, also known as IEEE 100BASE-T1, as the automotive Ethernet communications standard. It runs on standard FlexRay™ cabling and facilitates high-speed communications such as audio or video streaming. 100Base-T1 uses full duplex communications so that up to 1 Gbit/s can be transferred over one twisted pair. For interface verification, a 100BASE-T1 conformance test with six test cases is required. Like most IEEE Ethernet compliance test specifications, this compliance test focuses on transmitter quality.

Automotive Ethernet compliance testing

To verify the functionality and quality of these data streams, automotive engineers need to be able to find and test these signals easily. Rohde & Schwarz offers complete Ethernet compliance test solutions for BroadR-Reach V3.2 , IEEE 802.3bw (100Base-T1), IEEE 802.3bp (1000Base-T1) and IEEE 802.3bz (2.5GBASE-T1) in line with the OPEN Alliance compliance test specification.

Download our flyer "TC8 Open Alliance"

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Related resources for Automotive Ethernet compliance testing

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This webinar will focus on compliance testing based on the Open Alliance (OA) TC8 specification for the physical layer.

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The OPEN alliance has released a test specification for BroadR-Reach Ethernet.

Application videos - Engineer's talk; Automotive Ethernet and beyond

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In this video we use the R&S VNA ZNB20 together with TE connectivity BEAMnet miniaturized multi-gigabit connector system.
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Short Video: 1000BASE-T1 Automotive Ethernet Distortion with Disturber Test

1000BASE-T1 automotive Ethernet compliance test with Test Mode 4

Performing the “Distortion with disturber” test on a 1000BASE-T1 DUT from Marvell

gPTP (IEEE 802.1AS) Validation Test

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1000BASE-T1 cable testing according to OPEN Alliance TC9

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A guide to perform cable testing based on unshielded twisted pair (UTP) for 1000BASE-T1 based on the OPEN Alliance TC9 specification.

1000BASE-T1 Compliance Testing Test Mode 2

1000BASE-T1 compliance testing

Test mode 2: MDI jitter and clock frequency

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Test mode 4: Transmitter distortion test with disturber

1000BASE-T1 Compliance Testing Test Mode 2

1000BASE-T1 compliance testing

Test mode 5: Transmitter power spectral densityy (PSD), power level and peak differential output

1000BASE-T1 Compliance Testing Test Mode 6: Maximum output droop

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Test mode 6: Maximum output droop

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MDI return loss

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Decoding from CAN to automotive ethernet

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Powerful 100BASE-T1 decoding

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Triggering & decoding 100Base-T1 BroadR-Reach Ethernet

Triggering & decoding 100Base-T1 BroadR-Reach Ethernet

Triggering & decoding real-world OABR automotive Ethernet with an oscilloscope

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