Package contains:
uLINK HUB, two terminals, two bus terminators.

The uLINK HUB serves as a concentrator and isolated power source for several Station Master DeLuxe (SMD) controllers connected to the uLink bus. One uLINK HUB can connect up to four SMDs. Hubs can be daisy-chained for expanding number of connected SMDs into network and can be located anywhere on the uLINK bus.