The RIA-1 operates slightly different to other LBUS devices. Because it is primarily a motor controller, the RIA-1 should always be the devices where your LBUS chain starts: CAM is connected to your camera, and then LBUS runs from your RIA-1 to your first motor, from which you can continue to daisy chain to other motors. External power, if required, can be connected to either the end of your motor chain or to the second LBUS port on the RIA-1. The second LBUS port on the RIA-1 can also be...