We are searching for a new serial to ethernet solution which is not as expensive as most B2B products. Right now this [1] would be our dream product. We are also looking into a combination of a mini-pc (like PC-Engines [2]) with two of these miniPCIe serial cards [3].
If you have better recommendations feel free to share them :)
If you have better recommendations feel free to share them :)
[1] https://freetserv.github.io/ [2] https://www.pcengines.ch/apu2c2.htm [3] https://www.delock.de/produkte/G_95244/merkmale.html