Hello,
You need a USB-TTL-TTL-USB to connect to the USB port and get a login: prompt.
The cable is here: https://www.tme.eu/fr/katalog/?queryPhrase=USB-NMC-2.5M%20
See this topic for more info.
For the internal access you need a very special connector I have looked at the problem but I still don"t have one.
Regards,
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