D-Link DWL-120 User manual

2.4GHzUSB
Wireless Adapter
DWL-120
©2003D-LinkSystems,Inc.Allrightsreserved.Trademarksorregisteredtrademarksarethepropertyoftheirrespectiveholders.Softwareand
specificationssubjecttochangewithoutnotice.DWL-12010242003
If anyofthe aboveitemsaremissing,pleasecontactyourreseller.
Thisproductworkswiththefollowingoperating
systemsoftware:WindowsXP,Windows
2000,WindowsMe,Windows98SE
BeforeYouBegin
You musthaveatleastthe following:
•You will need acomputerwithan availableUSB porttoconnectthe
DWL-120 Wireless USB adapter.
•Atleasta300 MHzprocessorand 32 MBofmemory
•An802.11bAccess Point(forInfrastructureMode)oranother802.11b wireless
adapter(forAd-Hoc;Peer-to-Peernetworking mode.)
DWL-120 Wireless USBAdapter
CheckYourPackage Contents
Thesearethe itemsincluded withyourDWL-120 purchase:
USBCable
CD-ROM(containing Drivers,Manualand Warranty)

Antenna
Used towirelessly
connectto802.11b
networks.
Mini-USBPort
Used toconnectthe
DWL-120 toyour
computer.
DWL-120 Overview
The Install Screen will appear.
Turnon thecomputerand
InserttheD-LinkAirDWL-120Driver
CD inthe CD-ROMdrive.
Thestep-by-stepinstructionsthatfolloware
showninWindowsXP.The stepsand screens
aresimilarforthe otherWindowsoperating
systems
InserttheD-LinkCD-ROMIntoYour
ComputerDoNOTinstall
theDWL-120
USBAdapterintoyour
computerbefore
installing thedriver
softwareon theD-Link
CD!
Click Install Drivers
Link/ActivityLED
Link-IndicatesthattheDWL-120 is
properlyinstalled inthe computer.
Activity-blinks when dataisbeing
transmitted through the wireless
connection.

Click Next
Click Next
If the CDAutorun function doesnot
automaticallystarton yourcomputer,
type “D:\Driver\Setup.exe”If itdoes
start, proceed tothe nextscreen.
Theletter“D”
representsthe
letteroftheCD-ROM
drive.YourCD-ROM
drive may beadifferent
drive letter.
Type“D:\Driver\Setup.exe.”
Click OK
Click Next

Click Finish
Click No,Iwill restart
mycomputerlater
Shutdownyourcomputer
Click ContinueAnyway
InstallingtheDWL-120 Wireless USB
AdaptertoYourLaptopComputer
A.Make suretoturnoff yourcomputer.
C.Firmlyinsertthe otherend of
the USB cable(smallerplug)
intotheDWL-120.
B.Install theDWL-120,firmly
insertone end ofthe USB
cable(largerplug)intoyour
computer’s USB Port.

Click Finish
RestartYourComputer
When you restartyourcomputer
thisFound NewHardware
Wizard(WindowsXP)screen
will appear:
SelectInstall thesoftware
automatically(Recommended)
Click Next
WindowsXP will automatically
load the driverfiles.
Click ContinueAnyway

ForWindows2000,this
DigitalSignatureNot
Found screen mayappear
during the installation.
Click Yes tocontinue
the installation
YourInstallationisComplete!
Afteryou’vecontinued inWindowsXP (orafterthe computerrestartsinthe
otherWindowsoperating systems),the D-LinkAirDWL-120 Configuration
Utilitywill automaticallystartand the utilityicon will appearinthe bottom
righthand cornerofthe desktop screen (systray).Ifthisicon appears
GREEN,thenyou have successfullyinstalledtheDWL-120,are
connectedtoawireless networkand arereadytocommunicate!
Double-click theutilityicon touse
theconfiguration utility.
ForWindowsMeand 98,this
screenmay appear.
Click Yes tofinalizethe
installation

Appendix
UsingtheConfigurationUtility
A.Status:Displays the
MACAddress ofthe
Access Pointthatis
associated withthe
DWL-120.
B.SSID:The ServiceSetIdentifier
isthe nameassigned tothe
wireless network.The factory
SSIDsetting issettodefault.
C.Frequency:
Displays the current
frequency used by
the adapter.
D.Wireless Mode:The factorysetting issettoInfrastructure.Ad-Hocmode isused for
peer-to-peernetworking.
F.Authentication:
Displays the current
Authentication
information.
I. Signal
Strength/Link
Quality:Repre-
sentsthe
wireless signal
qualityand
strengthbetween
the access point
and the DWL-120.
The percentage
coincideswith
the graphicalbar.
H.Channel:Displays
the channel
information.By
default, the channel
issetto6.Please
notethatthe DWL-
120 will automati-
callyadjustchannel
depending on the
Access Point.
E.Encryption:Displays the currentencryption statusofthe wireless connection.
G. TxRate:The
defaultsetting is
Auto;meaning,
TxRatesettings
areautomatically
determined by
the DWL-120de-
pending on the
distancefromthe
access point.
J.PacketCount: Graphicallydisplays the statistics ofdata
transmitted and received.
J
G
I
A
B
C
D
E
F
H

Appendix
UsingtheConfigurationUtility(cont.)
K
L
O
L.Wireless Mode:
The factorysetting is
settoInfrastructure.
Ad-Hocmode isused
forpeer-to-peer
networking.
N.Authentication:You can specify
the authentication mode forthe
wireless network.The default
setting issettoOpenAuthentica-
tion.
O. Key Length:When encryption isenabled,
you will havethe option tospecifythe leveland
keyformatofthe encryption used.Selectthe
appropriateKeyIndex:1-4and enterACSII or
hexadecimaldigitsinthe appropriatefield.
K.SSID:TheServiceSet
Identifieristhe nameas-
signed tothe wireless
network.The factorySSID
setting issettodefault.Make
changesheretomatchthe
SSIDon existing Wireless
RouterorAccess Point.
M.DataEncryption:The
defaultsetting issetto
Disabled.The adapter
supportsWEP when
encryption isenabled.
M
N
P
O. IEEE 802.1x:When encryption isenabled,you will havethe option tospecifythe level
and keyformatofthe encryption used.Selectthe appropriateKeyIndex:1-4and enter
ACSII orhexadecimaldigitsinthe appropriatefield.

IPAddress Configuration
Toconnecttoanetwork,make sure
thepropernetworksettingsare
configuredforDWL-120.
ForMicrosoft WindowsXP:
GotoStart>rightclick on
MyNetworkPlaces >
selectProperties >Double-click on
the NetworkConnection associated
withthe DWL-120.
InputastaticIPaddress inthe same
range asthe Wireless Routeror
Access Point.
StaticIPaddress setup
Click OK
IPaddress:192.168.0.51
Subnetmask:255.255.255.0
Click OK
Click InternetProtocol(TCP/IP)
Click Properties
SelectObtainanIPaddress
automatically(ifthe Wireless
RouterorAccess PointhasDHCP
serverenabled)
SelectObtainDNSserver
address automatically
DynamicIPaddress setup
UsedwhenaDHCPserverisavailableon
thelocalnetwork.(i.e.Router)
UsedwhenaDHCPserverisnotavailable
on thelocalnetwork.
SelectUse thefollowing IPaddress

ForWindows2000 users:
GotoStart>Settings>Networkand
Dial-up Connections>Double-click on
the LocalArea Connection associated
withthe DWL-120 >selectProperties
UsedwhenaDHCPserverisavailableon
thelocalnetwork.(i.e.Router)
StaticIPaddress setup
InputastaticIPaddress inthe same
range asthe Wireless Routeror
Access Point.
Click Properties
Click OK
IPaddress:192.168.0.51
Subnetmask:255.255.255.0
Click OK
Click InternetProtocol(TCP/IP)
SelectObtainanIPaddress
automatically(ifthe Wireless Router
orAccess PointhasDHCPserver
enabled)
SelectObtainDNSserver
address automatically
SelectUse thefollowing IP
address
DynamicIPaddress setup
UsedwhenaDHCPserverisnotavailable
on thelocalnetwork.

Click InternetProtocol(TCP/IP)
GotoStart>Settings>ControlPanel>Double-
click on the LocalArea Connection associated
withthe DWL-120 >selectProperties
UsedwhenaDHCPserverisavailableon
thelocalnetwork.(i.e.Router)
ForWindowsMeand 98se users:
Click Properties
SelectObtainanIPaddress
automatically(ifthe Wireless
RouterorAccess Pointhas
DHCPserverenabled)
SelectDetectconnection
tonetworkmedia
Click OK
IPaddress:192.168.0.51
Subnetmask:255.255.255.0
SelectUse thefollowing IP
address
Click InternetProtocol(TCP/IP)
Click OK
InputastaticIPaddress inthe same
range asthe Wireless Routeror
Access Point.
DynamicIPaddress setup
StaticIPaddress setup
UsedwhenaDHCPserverisnotavailable
on thelocalnetwork.

TechnicalSupport
You can find the mostrecentsoftwareand userdocumentation on the D-Linkwebsite.
D-Linkprovidesfree technicalsupportforcustomerswithinthe United Statesforthe
duration ofthe warrantyperiod on thisproduct.
U.S.customerscan contactD-Linktechnicalsupportthrough ourweb siteorbyphone.
D-LinkTechnicalSupportovertheTelephone:
[phone]
24 hoursaday,seven days aweek
D-LinkTechnicalSupportovertheInternet:
http://support.dlink.com
email:[e-mail]