I have a B&B Electronics UE204 USB over ethernet hub. It is a USB hub that connectsto my computer's ethernet card. When I connect the NI GPIB-USB-HS cable to the hub and to an instrument, the NI-MAX application recognizes that I have the cable connected but doesn't seem to be able to communicate with it. It is listed under "Devices and Interfaces" but when I select it, the right side pane of the app is just gray with no information. When I execute the VISA Interactive Control dialog, it doesn't show up in that list. Here is a screen shot:
