Cables/Connecting

Single pair Ethernet connector draft standard launched

19th July 2021
Alex Lynn

The Single Pair Ethernet System Alliance, with its current 32 members, is a registered association of technology companies pursuing the goal of establishing Single Pair Ethernet in numerous applications and markets.

With the publication of the NWIP (New Work Item Proposals) of IEC 63171-7, TE Connectivity has for the first time presented a hybrid system for Single Pair Ethernet data and simultaneous power supply. The Single Pair Ethernet System Alliance supports this proposal from TE Connectivity, as it provides additional power for many applications where PoDL technology (Power over Data Line) reaches its limits.

The four power contacts plus functional earth combined with the SPE data connection in the M12 connector offer an interesting connection technology, especially for many compact, decentralised field devices.

The specification of a new two-wire data connector in this hybrid interface shows the application diversity in the market. So, we can see that it is not the mating interface that shapes the market, but the application that defines the interface.

This is why the Single Pair Ethernet System Alliance believes this connector is another important piece of the puzzle for the establishment of SPE in numerous applications and thus supports the overall Single Pair Ethernet solution. 

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