Toshiba USB Port Replicator II User Manual
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APPLICATION NOTE
1. Determine why support of USB port is not present:
First, download Usbready.exe from the web site
www.octinc.com.tw
, if you have
any problem to download, please contact us via
. Please
run the program, and click the Details button, it will help you find the reason why
USB support is disabled.
Click on the Details button.
- If the USB class Host Controller windows displays “No USB Host Controller
Found”, it means the USB Host Controller has not been detected.
- If your PC does not have USB connector, this system will not support USB in any
Windows Version.
- For PC already with USB connector, check the USB Class Host controller to see
if it displays any message like” Standard”, “Intel”, “ Universal”, or “Open” Host
Controller, it means the hardware support is present under an incompatible
version of Windows.
2. USB Port-Replicator normally derives its own power from PC Host. When system
power plugged in to the USB port of PC or notebook, the Large LED will turn green,
and the serial, parallel, keyboard and mouse can operate without the switching
adapter.
Please note that the 4 downstream ports will not function before the power adapter
is connected. However, you may use the power by connecting an external 5
voltage, 1.8A DC power which is UL, CE, T-mark or locally approved. For
Polarity, see the following:
3. Unknown Device:
If all the installation process has been completed and some of the devices still
don't work, please go to: My Computer/Property/Device Manager/USB, check
COM port, printer, keyboard, mouse or Hub to see if there are any “Unknown
device” appear on the screen. You need to “Remove” and “Refresh”, start the
installation processes again. After trying all the above mentioned process and
your device still cannot work, please contact your technical people or send e-mail
to: