AEG ARE H9 HF User Manual page 47

The COM driver for the ARE H9 HF is located under Port (COM & LPT):
„CP2101 USB to UART Bridge Controller (COMx)"
COMx stands for the COM port selected by the driver, this COM port could used
in the software
to communicate with the ARE H9 HF.
In case there is a COM port conflict or another port number is needed, the COM
port number has to be changed.
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