When setting up Rally, you have three options when connecting to one or two displays.  If the meeting computer is connected to the Table Hub the connections are: computer to HDMI port on Table Hub then HDMI port to display.  If the meeting computer is connected to the Display Hub, the computer is connected directly to the display(s). Please see the diagrams below:

PC connected on display side:

PC connected on the table:

PC connected at Tap: