For the architecture I would like to propose to have two ethernet ports.
One is for the machine control when using respective mesa controllers
The other one is then for everything else, may be Internet connection if required, or the connection via an location internal network to a CAD/CAM system
The question is if we prefer a stand alone system or we need to add the internet interface to the 1st level architecture
refer to: https://github.com/xweiser/CNCmachine/blob/main/230824_tms_Use_Case_Diagram_v01.drawio