D-Link DUB-H4 Quick Installation Manual - Tips and Technical Support

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• When connecting USB cables between USB devices and the DUB-H4,

make sure that the cable is connected securely.

• Remember that when connecting USB 1.1 devices to a USB 2.0 hub or host

adapter, the USB 1.1 device will not work at USB 2.0 speeds.

• The DUB-H4 does not have an on/off switch. It is always on, once the exter-

nal power adapter has been plugged into a wall socket or power source.

• Connecting USB 1.1 devices to the DUB-H4 may cause all USB devices

connected to the hub to work at USB 1.1 speed. To ensure 480Mbps

throughput for your USB 2.0 devices, don’t connect USB 1.1 and USB 2.0

devices to the hub at the same time.

• D-Link recommends that while using a USB device that includes an AC

power adapter, that you use the power adapter to ensure proper power and

current supply to that device.

• Please remember to unplug devices properly to ensure that no data loss or

corruption takes place with your operating system.

Tips and Technical Support

You can find the most recent software and user documentation on the D-Link website.

D-Link provides free technical support for customers within the United States for the

duration of the warranty period on this product.

U.S. customers can contact D-Link technical support through our web site or by phone.

D-Link Technical Support over the Telephone:

(877) 45D-LINK or (877) 453-5465

24 hours a day, seven days a week

D-Link Technical Support over the Internet:

http://support.dlink.com

email: support@dlink.com

Page 1
4-port hi-speed usb 2.0 hub dub-h4 dub-h4 dub-h4 dub-h4 dub-h4 this product can be used with the this product can be used with the this product can be used with the this product can be used with the this product can be used with the following operating systems: following operating systems: following...
Page 2: Installing The Dub-H4
Installing the dub-h4 a. Plug the usb type b connector (the larger end of the cable) into the back of the dub-h4. B. Plug the ac adapter into the dub- h4 and into a power socket in a power-strip or a wall jack. C. Plug the usb type a connector (the narrow end of the cable) into an available usb 2.0 ...
Page 3: Led Indicator Description
Led indicator description the dub-h4 features five led indicators… • the power led indicator is red and lights up when the dub-h4 is powered on by using the external power adapter. The dub-h4 does not run on power supplied from the computer (bus powered). • the downstream led indicators are green. E...
Page 4: Tips and Technical Support
• when connecting usb cables between usb devices and the dub-h4, make sure that the cable is connected securely. • remember that when connecting usb 1.1 devices to a usb 2.0 hub or host adapter, the usb 1.1 device will not work at usb 2.0 speeds. • the dub-h4 does not have an on/off switch. It is al...