How Many USB Devices Can I Connect?
Adding more than two USBHub3+ hubs
Some customers who have been using multiple Acroname USBHub3+ hubs have shared with us that they cannot add more than two USBHub3+ hubs to their system or that they need more USB resources. As it happens, this is not a limitation of USBHub3+ itself, but rather a limitation of the host USB controller and the host machine's implementation of the USB controller.