D-Link DUB-H4 - Hub - USB User manual
1
This Installation Guide includes instructions for:
§Windows XP
§Windows 2000
§Windows Me
§Windows 98/98SE
§Macintosh OS 8/9
§Macintosh OS X/10
Installation Guide Contents:
Section 1:Installing the DUB-H4
Section 2:LED Indicators
Section 3:Tips and Technical Support
Package Contents:
Verify that your D-Link DUB-H4 package contains the following items. If
any items are missing,please contact your reseller.
§D-Link DUB-H4
§USB 2.0 Cable
§AC Power Adapter
Minimum System Requirements:
For proper usage, you must have the following at a minimum...
§Pentium 233-MHz or faster or equivalent with 32MB RAM
§Available USB 1.1 Port For USB 1.1 Operation
§Available USB 2.0 Port For USB 2.0 Operation
§Windows XP, 2000, Me, 98, 98SE,Mac OS 8, 9, or 10/X for USB 1.1
Operation
§Windows XP, 2000, Me, 98, 98 SEor Mac OS X for USB 2.0
Operation
D-Link DUB-H4
Hi-Speed USB 2.0 4-Port Hub
Installation Guide
2
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 port
on your computer (or USB 1.1
if you don’t have USB 2.0).
D. Your computer will automatically detect and install the DUB-H4.
You may now connect USB 2.0 or USB 1.1 devices to an available
USB port on the front of the DUB-H4.
Type A
Type
B
3
LED Indicators
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. Each port has one status
LED. The LED lights to indicate that the port is working.
§If a port becomes overloaded, a “current exceeded” event will take
place. The LED of the port will go off and the message “USB HUB
Current Limit Exceeded” appears on the monitor. Reset the DUB-H4
by disconnecting it for 5 seconds and then powering it back on by
connecting the AC power adapter.
LED Color Indicator
Power Red Power is on
Power Off Power is off
Downstream
Green Port is working
Downstream
Off Port is not working
4
Tips and Technical Support
Tips
§When connecting USB cables betweenUSB 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
external 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 2.0devices, 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.
Technical Support
D-Link provides free technical support for customers within the United
States during the warranty period. U.S. customers can contact D-Link
Technical Support through our web site, e-mail or by phone.
D-Link Technical Support over Telephone:
§1-800-758-5489
§24 Hours a Day, 7 Days a Week
D-Link Technical Support over the Internet:
§support.dlink.com
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