9Stacking Your HubsIf you want to add more USB 2.0 ports to your system, Adaptec XHubscan be daisy-chained (linked in series) and stacked together. (See Makingthe Most of Your Daisy-Chain on page 11 for more information.)Hubs can be piled on a flat surface (such as your desk) or they can bejoined together using the built-in connector slots and tabs.To join your hubs using the connector slots and tabs:1 Remove the face or frame plate, as shown in the picture below.Removing the Face Plate/Frame PlateGently pull latch down to Pull face/frameplate down to remove.release face/frame plate.Step 1: Step 3:Step 2:Pull bottom ofTabface/frame plateout slightly.