U se r’s G ui de : US B X ch a ng e • 15Your external DC power jack can be plugged into the DC input jackconnection located on the side of the USBXchange.Installing the USBXchange on a MacintoshInstalling the Driver Software1 Power up your Macintosh and insert the enclosed USBXchangeInstaller CD-ROM in the CD-ROM drive.2 Double-click on the USBXchange Installer application:3 Follow the instructions displayed on the screen.4 After installing the driver software, restart your Macintosh, thenproceed to the instructions on connecting SCSI devices to theUSBXchange.Note: The USBXchange should be disconnected from the computerbefore following the instructions for Connecting a SCSI Deviceon page 16.Connect a DC powerjack to the USBXchangeif you need an externalpower supply