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→Q: How can I enable UART5 – J21?
echo 255 > /sys/class/leds/rs232_485_422/brightness
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Please rely on the [httphttps://wwwmirror.dave.eu/sitesManuals/default/files/filesSBC%20Axel/sbcx-ug.pdf SBX User Guide] to set the correct serial operation mode.
