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What is Single Pair Ethernet
06 May 2021

Introduction to SPE: What is Single Pair Ethernet?

SPE is a physical layer networking technology that uses just a single pair of twisted copper wires. It enables continuous IP communication between server and cloud as well as a power supply in complex IIoT solutions using Power over Data Line (PoDL). 

The greatest value of SPE is the significant reduction in cable weight. It is easier to install and costs less because of reduction of materials.
SPE Standards
SPE’s Application
By providing fast data transmission for IIoT and Industry 4.0 application, SPE has wide application especially in the industrial and transportation field. For instance, the automotive market, control and monitoring cameras, traffic controls…etc.
Application in the Automotive Industry
As high-powered infotainment systems getting more and more popular and advanced driver assistance systems (ADAS) gradually becoming mainstream, the demand of higher network bandwidth is continuously growing.
To support the needs of high-speed transmission, the use of Ethernet is seen as a key driver of future interconnection applications.
Compared to existing Ethernet technologies, SPE is used for automotive Ethernet, which could reduce cable weight by 30% and cost up to 80%. SPE complies with existing electromagnetic radiation regulations. Also, data transfer rate could be up to 1Gbps, meeting high-speed transmission needs of future vehicles.
Nextron’s SPE Solution
We will be launching a complete SPE solution with cable very soon. The design meets IEEE 802.3bp SPE Basic Technology Standard and IEC 63171-6 International Connector Standard. The product will be able to support up to 1Gbit/s 1000 Base T1.

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