For some reason, I did it, now both the usb adapter and xbee pro can be stacked. The only issue is that it doesn’t auto attach the wires when stacked.
Thanks, fixed it.
I followed official schematic as you can check on Google for it.
xbee_pro_rf_module.fzpz (29.9 KB)
xbee_usb_mini_adapter.fzpz (56.5 KB)