D-Link DUB-H4 - Hub - USB User manual

4-Port Hi-Speed
USB 2.0 Hub
DUB-H4
This product can be used with the
following operating systems:
Windows XP, Windows 2000,
Windows Me, Windows 98SE
Mac OS 8, 9, and 10.1 or above
Check Your Package Contents
Thesearetheitemsincludedwithyourpurchase:
If any of the below items are missing, please contact your reseller.
Before You Begin
Youmusthaveatleastthefollowing:
•Pentium233-MHzorfasterorequivalentwith32MBRAM
•AvailableUSB1.1PortForUSB1.1Operation
•AvailableUSB2.0PortForUSB2.0Operation
•WindowsXP,2000,Me,98SE,MacOS8,9, or 10/X for
USB1.1Operation
•WindowsXP,2000,Me,98SEorMacOSXfor
USB2.0Operation
• DUB-H44-PortHi-Speed USB 2.0 Hub
• USB 2.0 Cable
• Power Adapter
(5V2.5A)
Using a power supply
with a different voltage
rating will damage and void
the warranty for this product.
©2004 D-Link Systems, Inc. All rights reserved. Trademarks or registered trademarks are the property of
their respective holders. Software and specifications subject to change without notice. DUB-H4.06182004

Installing the DUB-H4
A. Plug the USB type B connector (the
larger end of the cable) into the back of
theDUB-H4.
B. PlugtheACadapter intothe DUB-H4
and into a power socket in a power-strip
or a wall jack.
C. Plug the USB typeAconnector (the
narrowend of the cable) into an
availableUSB 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 B
Type A

LED Indicator Description
TheDUB-H4featuresfiveLEDindicators…
•ThePowerLEDindicatorisgreenandlightsupwhentheDUB-H4ispoweredonby
usingtheexternalpoweradapter.TheDUB-H4doesnotrunonpowersuppliedfrom
thecomputer(buspowered).
•ThedownstreamLEDindicatorsaregreen.EachporthasonestatusLED.TheLED
lights to indicate that the port is working.
•Ifaportbecomesoverloaded,a“currentexceeded”eventwilltakeplace.TheLEDof
theportwillgooffandthemessage“USBHUBCurrentLimitExceeded”appearson
themonitor.ResettheDUB-H4bydisconnectingitfor5secondsandthenpoweringit
backonbyconnectingtheACpoweradapter.
Power LED:
Green = Power is On
Off = Power is Off
Port 1-4 LED:
Green = Ports are Active
Off = Ports are Inactive
Tips
•WhenconnectingUSBcablesbetweenUSBdevicesandtheDUB-H4,makesurethatthe
cableisconnected securely.
•RememberthatwhenconnectingUSB1.1devicestoaUSB2.0huborhostadapter,the
USB1.1 device willnotwork atUSB2.0 speeds.
•TheDUB-H4doesnothaveanon/offswitch.Itisalwayson,oncetheexternalpower
adapterhasbeenpluggedintoawallsocketorpowersource.
•ConnectingUSB1.1devicestotheDUB-H4maycauseallUSBdevicesconnectedtothe
hubtoworkatUSB1.1speed.Toensure480MbpsthroughputforyourUSB2.0devices,
don’t connect USB 1.1 and USB 2.0 devices to the hub at the same time.
•D-LinkrecommendsthatwhileusingaUSBdevicethatincludesanACpoweradapter,that
youusethepoweradaptertoensureproperpowerandcurrentsupplytothatdevice.
•Pleaseremembertounplugdevicesproperlytoensurethatnodatalossorcorruption
takesplace withyour operating system.

Technical Support
You can find software updates and user documentation on the D-Link website.
D-Linkprovides free technical support forcustomers within the United Statesand
withinCanada for the duration of the warranty period onthis product.
U.S. and Canadian customers can contact D-LinkTechnical Support through our
website,or by phone.
Tech Support for customers within the United States:
D-Link Technical Support over the Telephone:
[phone]
24 hours a day, seven days a week.
D-Link Technical Support over the Internet:
http://support.dlink.com
email:[email protected]
Tech Support for customers within Canada:
D-Link Technical Support over the Telephone:
[phone]
Monday to Friday 7:30am to 12:00am EST
D-Link Technical Support over the Internet:
http://support.dlink.ca
email:[email protected]