40
8 Application
Note
USB 2.0 Docking Station normally derives its own power from PC Host. When
only the Host power is supplied, the Power LED will turn RED, and the serial,
parallel, keyboard, mouse, Ethernet and 3 downstream ports can operate
without the external power adapter.
Please note that if the external power adaptor is not be used and heavy power
consumption USB device is connected, the 3 downstream ports may not
function normally. Therefore the used of external power adaptor is highly
recommend. You may use the external power by connecting an external 5
voltage, 2A DC power that is UL, CE, T-mark or locally approved. For Polarity,
see the following:
Unknown Device:
If the installation process is completed and some of the devices still don't work,
please click on Start, Settings, Control Panel, double-click System, and
Device Manager. Check “Human Interface Devices”, “Keyboard”, “Mouse”,
“Network adapters”, “Ports”, and “Universal serial bus controller” on the dialog
box and see if “Unknown device” appears on the screen. You need to
right-click the “Unknown device” and choose Remove to remove it. Then
choose Refresh to re-detect the device. (You might need to install the device
driver once again so please follow the same installation procedures as section
2.1). After trying the above procedures and your device still cannot work,
please contact the technical support at your local distributor.
