Problem
eXtremeDNC is unable to communication with Moxa hardware.
Reason
eXtremeDNC does not support the latest NPort drivers for Windows. This includes v2.0, v2.1, v2.2, v3.0, v3.1, v3.2, v3.4, v3.5, v4.0 and v4.1.
Solution
eXtremeDNC will only support NPort Windows Driver manager v1.19.