@Bad Mister & @Jason, Thank a lot for your reply. What you guys provided is both informative and intelligible. Cheers.

@Chris I also did a followup test on this setup and also worked. So I'm guessing that my hub works fine with MoDX. It is only that MoDX just does not ...

Hi Jason, Thanks for providing help. Yes I mean the USB to device port, sorry for the typo. I did another test which is to attach a USB thumb drive ...