Industry Expert Blogs

I attended two consecutive automotive Ethernet events near Stuttgart last week. Judging by the level of participation automotive Ethernet is really taking off. 

The first event was the OPEN Alliance face-to-face meeting which 150 people attended. The main purpose of the OPEN Alliance is to promote standards for the operation of 100M and 1G Ethernet PHYs over a single twisted pair (STP) of copper cable in automotive environments. Broadcom has brought a 100M Ethernet automotive PHY to market and NXP is going to be a second source for this. For 1G there is now the IEEE 802.3bp task force developing a standard for an automotive STP PHY. The OPEN Alliance did much of the groundwork that enabled this project to get initiated. Single twisted pair cabling has cost and weight advantages over other forms of cabling.

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