I have a Technifor TD410 controller with a Lasertop engraving machine; the system came without any software and Technifor wants ~£1000 for the software and dongle (why does software that works only with their hardware need a dongle?). I would like to use an alternative lower cost software package but Technifor are not at all forthcoming in the details of the interface protocol. All I know is it connects via RS232 and the manual indicates it uses 19200 Baud.
Does anyone know what protocols it uses?

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