Thanks PJ and Kevin, I got it working! it was just installing the driver,(the devices then appeared) then making sure the kernel module was loaded and re-loaded on reboot. I’m able to use mbpoll with device /dev/ttyAMA2 to poll a Modbus RTU kWh meter. just testing the other two ports /dev/ttyAMA3, /dev/ttyAMA5 and we’ll likely publish a SolarNodeOS image (which is Debian 12 based). Thanks again!
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