Each RSU-2 supports two weighing devices. When employing a HUB, a larger number of RSU-2 units can be installed.
Each Platinum Pro/Rotem One supports one HUB unit, which in turn supports up to four daisy chains. Each chain can have up to 32 remotes (128 total). A chain can includes Expansion units, RDT-5 units, and RSU-2 units.