MGielen,
If you can get Serial Converter A and B to show up, the next thing to check is if the VCP driver is being loaded. It should *not* be loaded, as it is not compatible with our firmware.
The VCP Driver can be unloaded by going to Device Manager –> USB Controllers –> USB Serial Converter A –> Advanced, and un-checking the “Load VCP” box, then repeating for Serial Converter B. If this does not work, please email our support team.
The SA124B should be used with a Y cable to provide extra power. If you are using a standard USB cable, especially with a laptop, it may not be getting enough voltage. 4.75V at the SA124B is ideal, but it will operate down to 4.5V. Below 4.5 volts there will be issues.
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