4Plugging in Your DevicesFollow this picture to connect your USB 1.1 and 2.0 devicesto your XHub4. You can use any USB port on the hub.You can buy additional USB cables on the Adaptec Website, at www.adaptec.com/buy-cables.See About USB 2.0 Performance on page 1 for informationabout USB 1.1 and USB 2.0 devices.Understanding the LEDsStatus of DeviceLED Green Red AmberPowerLEDUSBconnection tocomputer OKPowerconnection OKUSB andpower adapterconnectionsOKDeviceLEDs(1 – 4)USB deviceconnected toport.N/A N/AUSB device cable Device LEDs(numbered 1–4)correspond toUSB portsUSB ports