6Installing USB2XchangeConnecting to an External USB HubTo connect your USB2Xchange adapter to an external USB hub:1 Connect the external USB hub (purchased separately) to the USBport of your computer. (For information on Adaptec’s USB hubs,go to the Adaptec Web site at www.adaptec.com.)Note: To ensure proper operation, Adaptec recommendsusing only self-powered hubs (hubs that receive their powerfrom an A/C connection). Otherwise, you will need toconnect the USB2Xchange adapter to an optional powersupply. See Understanding the USB2Xchange Power Supplyon page 21 for more information.2 Connect the USB connector of your USB2Xchange to a port onthe external USB hub.USB2Xchangeplugged into hubHub pluggedinto computer