D-Link AirPlusXtreme G+ DWL-2000AP+ User manual

Manual
Building Networks forPeople
High-Speed2.4GHzWireless Access Point
D-LinkAirPlusXtremeG+
DWL-2000AP+
TM
Version 1.00

2
Contents
Package Contents................................................................................ 3
Introduction........................................................................................... 4
Wireless Basics ................................................................................... 8
GettingStarted................................................................................... 12
UsingtheConfigurationMenu............................................................. 14
Networking Basics ............................................................................. 25
Troubleshooting.................................................................................. 40
TechnicalSpecifications..................................................................... 47
ContactingTechnicalSupport ............................................................. 50
WarrantyandRegistration................................................................... 51

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TM
ContentsofPackage:
D-LinkAirPlusXTREMEG+DWL-2000AP+
High-Speed 2.4GHzWireless Access Point
PowerAdapter-DC 5V,2.5A
Manualand Warrantyon CD
Quick InstallationGuide
EthernetCable
InternetExplorerVersion 6.0orNetscapeNavigator
Version 6.0andAbove
ComputerswithWindows,Macintosh,orLinux-based
operating systemswithan installed Ethernetadapter
PackageContents
Note:Using apowersupplywithadifferentvoltage rating than the one included withthe
DWL-2000APwill causedamage and voidthe warrantyforthisproduct.
If anyofthe aboveitemsaremissing,pleasecontactyourreseller.
SystemRequirementsforConfiguration:
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Introduction
The D-LinkAirPlusXtremeG+DWL-2000AP+High-Speed WirelessAccess Pointisa
802.11g high-performance,wireless access pointthatsupportshigh-speed wireless
networking athome,atworkorinpublicplaces.
The DWL-2000AP+iscapableofoperating inone of4differentmodestomeetyour
wirelessnetworkingneeds.TheDWL-2000AP+canoperateasanAccessPoint;inAccess
Point-to-Access PointBridging mode;Access Point-to-MultipointBridging mode;or
Wireless Clientmode.
The DWL-2000AP+isan idealsolution forquicklycreating and extending awireless
localarea network(WLAN)inofficesorotherworkplaces,trade showsand special
events.
*AvailableQ42003 asafree download
Unlikemostaccess points,the DWL-2000AP+providesdatatransfersatup to8X
(compared tothe standard11 Mbps)when used withotherD-LinkAirPlusXtremeG+
products.The 802.11g standardisbackwardscompatiblewith802.11b products.This
meansthatyou do notneed tochange yourentirenetworktomaintainconnectivity.You
maysacrificesomeof802.11g’s speed when you mix802.11b and 802.11g devices,but
you will notlosethe abilitytocommunicatewhen you incorporatethe 802.11g standard
intoyour802.11b network.You maychoosetoslowlychange yournetworkbygradually
replacing the 802.11b deviceswith802.11g devices.
Authentication isafirstline ofdefenseagainstintrusion.Inthe
Authenticationprocesstheserververifiestheidentityoftheclientattempting
toconnecttothe network.Unfamiliarclientswouldbe denied access.
Inaddition tooffering fasterdatatransferspeedswhen used withother802.11gproducts,
theDWL-2000AP+hasthenewest, strongest, mostadvanced securityfeaturesavailable
today.When used withother802.11g WPA (WiFiProtected Access)and 802.1x
compatibleproductsinanetworkwithaRADIUSSERVER,thesecurityfeaturesinclude:
WPA:*
802.1x*:
Anewsecurityfeature,Wi-FiProtectedAccess authorizesand identifies
usersbasedonasecretkeythatchangesautomaticallyataregularinterval.
WPAusesTKIP(TemporalKey IntegrityProtocol)tochange the
temporalkeyevery10,000 packets(apacketisakind ofmessage
transmitted overanetwork.)Thisinsuresmuchgreatersecuritythan the
standardWEP security.(Bycontrast, the olderWEPencryption required
the keys tobe changed manually.)
TM

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Connections
The LAN Portis
Auto-MDI/MDIX.You
can inserteithera
Straight-through or
aCross-over
Ethernetcablein
thisportinorderto
connectthe DWL-
2000AP+toa
switchon the local
network.
Receptor
forthe
Power
Adapter
Pressing the
ResetButton
restoresthe
routertoits
originalfactory
defaultsettings.

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LEDs
LEDstandsforLight-EmittingDiode.The DWL-2000AP+WirelessAccess Pointhas3
LEDsasshownbelow:
Power:Solidgreen lightindicatesconnection
WLAN:Blinking green lightindicateswireless activity;
solidgreen lightindicatesconnection
LAN:Blinking green lightindicatesactivity
on the EthernetPort; solidgreen light
indicatesconnection

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Features
BettersecuritywithWPA*and 802.1x*
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nTKIP(TemporalKeyIntegrityProtocol),inconjunctionwith
aRADIUSSERVER,changesthe temporalkeyevery10,
000 packets,ensuring greatersecurity
PreSharedKey mode meansthatthe homeuser,with-
outaRADIUSSERVER,will obtainanewsecuritykey
everytimehe orshe connectstothe network,vastlyim-
proving the safetyofcommunicationson the network.
nCompatiblewiththe802.11bstandardtoprovide awireless datarateofup
to11Mbps-thatmeansyou can migrateyoursystemtothe 802.11g standard
on yourownschedulewithoutsacrificing connectivity.
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Fasterwireless networking withthe 802.11g standardtoprovide awireless
datarateofup to54Mbps
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*AvailableQ42003 asafree download
nWeb-basedinterface forManaging and Configuring
Easy Installation withthe Setup Wizard
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Operatesinthe 2.4GHzfrequencyrange
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nUtilizesOFDMtechnology(OrthogonalFrequency Division Multiplexing)
802.1x*Authentication inconjunction withthe RADIUS
SERVERverifiesthe identityofwouldbe clients
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WPA*(WiFiProtectedAccess)authorizesand identifiesusers
based on asecretkeythatchangesautomaticallyataregular
interval
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4DifferentOperation modes -Capableofoperating inone offourdifferent
operation modestomeetyourwireless networking requirements:Access
Point;AP-to-AP Bridging;AP-to-MultipointBridging;and Wireless Client.
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D-Linkwireless productsarebased on industrystandardstoprovide easy-to-
useandcompatiblehigh-speedwirelessconnectivitywithinyourhome,business
orwhereverawireless networkisavailable.D-Linkwireless productswill allow
you access tothe datayou want, when and whereyou wantit. You will be able
toenjoythe freedomthatwireless networking brings.
Awireless localarea network(WLAN)isacellularcomputernetworkthat
transmitsand receivesdatawithradiosignalsinstead ofwires.WLANsare
used increasinglyinbothhomeand officeenvironments,and publicareassuch
asairports,coffee shopsand universities.Innovativeways toutilizeWLAN
technologyarehelping peopletoworkand communicatemoreefficiently.
Increased mobilityand the absenceofcabling and otherfixed infrastructure
haveproven tobe beneficialformanyusers.
Wireless Basics
Wireless userscan usethe sameapplicationstheyuseon awired network.
Wireless adaptercardsused on laptop and desktop systemssupportthe same
protocolsasEthernetadaptercards.
Undermanycircumstances,itmaybe desirableformobilenetworkdevicesto
linktoaconventionalEthernetLANinordertouseservers,printersoranInternet
connection supplied through the wired LAN.AWirelessAccess Pointisadevice
thatcan be used toprovide thislink.

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Wireless Basics (continued)
PeopleuseWLANtechnologyformanydifferentpurposes:
Mobility-Productivityincreaseswhen peoplehaveaccess todatainany
location withinthe operating range ofthe WLAN.Managementdecisions
based on real-timeinformation can significantlyimproveworkerefficiency.
LowImplementation Costs–WLANsareeasy tosetup,manage,
change and relocate.Networks thatfrequentlychange,bothphysicallyand
logically,can benefitfromaWLAN’s easeofimplementation.WLANscan
operateinlocationswhereinstallation ofwiring maybe impractical.
Installation and NetworkExpansion -Installing aWLANsystemcan be
fastand easy and can eliminatethe need topull cablethrough wallsand
ceilings.Wireless technologyallowsthe networktogo wherewirescannot
go-even outside the homeoroffice.
Scalability–WLANscan be configured inavarietyofways tomeetthe
needsofspecificapplicationsand installations.Configurationsareeasily
changed and range frompeer-to-peernetworks suitableforasmall number
ofuserstolargerinfrastructurenetworks toaccommodatehundredsor
thousandsofusers,depending on the numberofwireless devicesdeployed.
Inexpensive solution–Wireless networkdevicesareascompetitively
priced asconventionalEthernetnetworkdevices.
The DWL-2000AP+iscompatiblewiththe following wireless products:
D-LinkAirPlusDWL-650+,D-LinkAirPlusXtremeG+DWL-G650+
Wireless CardbusAdaptersused withlaptop computers
D-LinkAirPlusDWL-520+,D-LinkAirPlusXtremeG+DWL-G520+
Wireless PCIcardsused withdesktop computers
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Standards-BasedTechnology
The DWL-2000AP+Wireless Access Pointutilizesthe 802.11gstandard.
TheIEEE 802.11gstandardisanextensionofthe802.11bstandard.Itincreases
the datarateup to54Mbpswithinthe 2.4GHzband,utilizing OFDMtechnology.
Thismeansthatinmostenvironments,withinthe specified range ofthisdevice,
you will be abletotransferlarge filesquicklyoreven watchamovieinMPEG
formatoveryournetworkwithoutnoticeabledelays.Thistechnologyworks by
transmittinghigh-speed digitaldataoveraradiowaveutilizingOFDM(Orthogonal
Frequency Division Multiplexing)technology.OFDMworks bysplitting the radio
signalintomultiplesmallersub-signalsthatarethen transmitted simultaneously
atdifferentfrequenciestothe receiver.OFDMreducesthe amountofcrosstalk
(interference)insignaltransmissions.The D-LinkDWL-2000AP+will
automaticallysensethe bestpossibleconnection speed toensurethe greatest
speed and range possible.
802.11g offersthe mostadvanced networksecurityfeaturesavailabletoday,
including:WPA,802.1x,TKIP,AES and Pre-Shared Keymode.Thesesecurity
featuresareexplainedinmoredetailintheIntroduction and the Featuressection
ofthismanual.
TheDWL-2000AP+isbackwardscompatiblewith802.11b devices.Thismeans
thatifyou havean existing 802.11b network,the devicesinthatnetworkwill be
compatiblewith802.11g devicesatspeedsofup to11Mbpsinthe 2.4GHz
range.
Wireless Basics (continued)
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WPA will be availableQ42003 asafree download
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802.1xwill be availableQ42003 asafree download

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Wireless Basics (continued)
Installation Considerations
The D-LinkAirPlusXtremeG+DWL-2000AP+letsyou access yournetwork,
using awireless connection,fromvirtuallyanywherewithinitsoperating range.
Keep inmind,however,thatthe number,thickness and location ofwalls,
ceilings,orotherobjectsthatthe wireless signalsmustpass through,maylimit
the range.Typicalrangesvarydepending on the typesofmaterialsand
background RF(radiofrequency)noiseinyourhomeorbusiness.The keyto
maximizing wireless range istofollowthesebasicguidelines:
1.Keep the numberofwallsand ceilingsbetween the DWL-2000AP+and
yourreceiving device(e.g., theDWL-G650+ortheDWL-650+)toaminimum
-eachwall orceiling can reduceyourD-LinkWireless product’s
range from3-90 feet(1-30 meters.)Position yourreceiving devicesso
thatthe numberofwallsorceilingsisminimized.
2.Beawareofthe directline between routersand computers.Awall thatis
1.5feetthick (.5meters),ata45-degree angleappearstobe almost3
feet(1meter) thick.Ata2-degree angleitlooks over42 feet(14 meters)
thick!Position devicessothatthe signalwill travelstraightthrough awall
orceiling (instead ofatan angle)forbetterreception.
3.Building Materialscan impede the wireless signal-asolidmetaldooror
aluminumstudsmayhaveanegativeeffecton range.Trytoposition
wireless devicesand computerswithwireless adapterssothatthe signal
passesthrough drywall oropen doorways and notothermaterials.
4.Keep yourproductaway(atleast3-6feetor1-2meters)fromelectrical
devicesorappliancesthatgenerateRFnoise.

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Getting Started
Onthe following pageswewill showyou an exampleofan Infrastructure
Networkincorporating theDWL-2000AP+.
AnInfrastructurenetworkcontainsan Access PointoraWireless Router.
The InfrastructureNetworkexampleshownon the following page contains
the following D-Linknetworkdevices(yourexisting networkmaybe
comprised ofotherdevices):
Alaptop computerwithawireless adapter-
D-LinkAirPlusXtremeG+DWL-G650+or
D-LinkAirPlusDWL-650+
Adesktop computerwithawireless adapter-
D-LinkAirPlusXtremeG+DWL-G520+,510,
orD-LinkAirPlusDWL-520+
ACablemodem-D-LinkDCM-200
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A4-portEthernetBroadband Router-D-LinkDI-604
Awireless Access Point-
D-LinkAirPlusXtremeG+DWL-2000AP+
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PleaserememberthatD-LinkAirXtremeGwireless devicesarepre-configured to
connecttogether,rightoutofthe box,withtheirdefaultsettings.
You will need broadband Internetaccess (aCableorDSL-subscriberline into
yourhomeoroffice)
ConsultwithyourCableorDSLproviderforproperinstallation ofthe modem
Connectthe CableorDSLmodemtotheDI-604 EthernetBroadband Router(see
the printed Quick Installation Guide included withyourrouter.)
If you areconnecting adesktop computertoyournetwork,install theD-Link
AirPlusXtremeG+DWL-G520+wireless PCIadapterintoan availablePCIslot
on yourdesktop computer.You mayalsoinstall theDWL-520+.
(See the printed Quick Installation Guide included withthe networkadapter.)
Install the driversfortheD-LinkDWL-G650+wireless Cardbusadapterintoa
laptop computer.You mayalsoinstall the DWL-650+.
(See the printed Quick InstallationGuide included withthe networkadapter.)
Getting Started(continued)
Foratypicalwireless setup athome(as shownabove),please do the
following:
Setting up a
Wireless
Infrastructure
Network
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2
3 4
Connectthe EthernetBroadband RoutertotheDWL-2000AP+(See the printed
Quick Installation Guide included withthe DWL-2000AP+.)
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Note:ifyou havechanged the defaultIPAddress assigned tothe DWL-2000AP+,make
suretoenterthe correctIPAddress.
Connectto192.168.0.50
admin
Using the Configuration Menu
Home>Wizard
The Home>Wizard
screen will appear.
Pleaserefertothe
Quick Installation
Guide formoreinfor-
mation regarding the
Setup Wizard.
Afteryou havecompleted the SetupWizard(pleasesee the Quick InstallationGuide that
camewiththe product)you can access the Configuration menu atanytimebyopening
the web browserand typing inthe IPAddress oftheDWL-2000AP+.TheDWL-2000AP+
defaultIPAddress isshownbelow:
nOpen the web browser
nType inthe IPAddress ofthe
Routerhttp://192.168.0.50
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Type admininthe UserNamefield
Leavethe Passwordblank.
(However,ifyou havechanged
the password,pleaseenterthe
correctpassword.)
Click OK

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Using theConfiguration Menu (continued)
Home>Wireless
Apply-Click Applytosavethe changes.
Keys 1-4-Inputup to4WEP keys;selectthe one you wishtouse.
Hexadecimaldigitsconsistofthe numbers0-9and the lettersA-F
ASCII (American StandardCode forInformation Interchange)isacode forrepresenting
Englishlettersasnumbersfrom0-127
SSID-ServiceSetIdentifier(SSID)isthe namedesignated foraspecificwire-
less localarea network(WLAN).The SSID’s factorydefaultsetting is
default.The SSIDcan be easilychanged toconnecttoan existing wire-
less networkortoestablishanewwireless network.
Channel-6isthe defaultchannel.All deviceson the networkmustsharethe same
channel.
WEP-Wired EquivalentPrivacy(WEP)isawireless securityprotocolforWire-
less LocalAreaNetworks (WLAN).WEP providessecuritybyencrypt-
ing the datathatissentoverthe WLAN.SelectEnabledorDisabled.
Disabledisthe defaultsetting.(Note:If you enableencryption on the
DWL-2000AP+makesuretoalsoenableencryption on all the wireless
clientsorwireless connection will notbe established.)
WEP
Encryption-Selectthe levelofencryption desired:64-bit,128-bit, 256-bit
Key Type-SelectHEX orASCII

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Using theConfiguration Menu (continued)
Home>LAN
LANisshortforLocalAreaNetwork.Thisisconsidered yourinternalnetwork.Theseare
the IPsettingsofthe LANinterfaceforthe DWL-2000AP+.Thesesettingsmaybe re-
ferred toasPrivatesettings.You maychange the LANIPaddress ifneeded.The LANIP
address isprivatetoyourinternalnetworkand cannotbe seen on the Internet.
Apply-Click Applytosavethe changes.
Gateway-Thisfieldisoptional.Enterinthe lPaddress ofthe routeron your
network.
SubnetMask-The subnetmask ofthe LANinterface.
The defaultsubnetmask is255.255.255.0
IPAddress-The IPaddress ofthe LANinterface.The defaultIPaddress is:
192.168.0.50

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Using theConfiguration Menu (continued)
Advanced>Mode
TheDWL-2000AP+canbeconfiguredtoperforminanyoffourmodes:aWirelessAccess
Point; aWireless Client; aWireless Bridge;oraMulti-PointBridge.
Access Pointmodeisthe defaultsetting.
Thismode isused tocreateawireless LAN.
Wireless Clientmodewill transformanyIEEE 802.3Ethernetdevice(e.g., a
computer,printer,etc.)intoan 802.11b wireless client, ifyou areconnecting to
anotherDWL-2000AP+when itisacting asanAccess Point.
Wireless Bridgemodewill allowyou toconnecttwoLANstogether.The wire-
less bridge will onlyworkwithanotherDWL-2000AP+.
Multi-PointBridgemodewill allowyou toconnectmultiplewireless LANs
together.Otherwireless LANsmustbe using DWL-2000AP+s.
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Using theConfiguration Menu (continued)
Advanced>Mode(continued)
EntertheMAC address
toconfiguretheWireless Clientand theWireless Bridgemodes
Wireless ClientmodeWireless Bridgemode
When using the DWL-2000AP+inWire-
less Clientmode,you will enterthe MAC
address ofthe RemoteAP.
Find the MAC address ofthe DWL-2000AP+thatisacting asaRemoteAc-
cess PointoraRemoteBridge,bygoing toStatus>Device Infointhe con-
figuration utilityofthe remoteDWL-2000AP+.Thereyou will find the MACad-
dress asshownabove.
When using theDWL-2000AP+in
Wireless Bridgemode,you will enter
the MACaddress ofthe RemoteBridge.
MAC Address -MediaAccess ControlAddress
Aunique hardwareaddress thatidentifiesadeviceon anetwork.It isassigned at
the factoryand cannotbe changed.Usuallyyou will find thisaddress on asticker
on the deviceorpackaging.

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Using theConfiguration Menu (continued)
Advanced>Performance
Beacon Interval-Beaconsarepacketssentbyan Access Pointtosynchronizea
wireless network.Specifyavalue.100 isthe defaultsetting and is
recommended.
RTSThreshold-Thisvalueshouldremainatitsdefaultsetting of2432.If inconsistent
dataflowisaproblem,onlyaminormodification shouldbe made.
Fragmentation-Thefragmentation threshold,whichisspecifiedinbytes,determines
whetherpacketswill be fragmented.Packetsexceeding the 2346
bytesetting will be fragmented beforetransmission.2346 isthe de-
faultsetting
Apply-Click Applytosavechanges
DTIMinterval-(DeliveryTrafficIndication Message)- 3isthe defaultsetting.DTIM
isacountdowninforming clientsofthe nextwindowforlistening to
broadcastand multicastmessages.
TXRates-TheDWL-2000AP+will automaticallysensethe bestpossiblespeed
when you selectAuto(the defaultsetting),oryou can choosethe
datatransferrate:54Mbps,48Mbps,36Mbps,24Mbps,
22Mbps18Mbps,12Mbps,11Mbps,9Mbps,6Mbps,5.5Mbps,2Mbps,
1Mbps.
Authentication-OpenSystem-communicatesthe keyacross the network
SharedKey -devicesmusthaveidenticalWEP settingsto
communicate
8XMode-Byactivating thismode,the devicecan transmitand receivedataup
toeight(8)timesofthe 802.11b speed withasimilar8Xdevice.
MixedMode-Thismode supportall range ofdatatransmission and receiving mode,
including 802.11b,802.11b+,802.11g and 802.11g+.

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Using theConfiguration Menu (continued)
Tools>Admin
Atthispage,theDWL-2000AP+administratorcan change the systempassword.
Click Applytosavethe changes
Password-Enterthe passwordand enteragaintoconfirm
Apply-