LINUX USER GUIDE - AIR802 User Manual/Linux... · LINUX USER GUIDE Version 1.0 ... (Driver/Utility/User’s

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  • WirelessUSBAdaptor

    MODELUSBADG2

    LINUXUSERGUIDEVersion1.0

  • LIMITEDWARRANTYAIR802guaranteesthateachUSBADG2willbefreefromphysicaldefectsinmaterialandworkmanshipundernormalusefortwo(2)yearsfromthedateofpurchase.Iftheproductprovesdefectiveduringthistwoyearwarrantyperiod,callAIR802TechnicalSupportinordertoobtainaReturnAuthorizationNumber.BESURETOHAVEYOURPROOFOFPURCHASEANDABARCODEFROMTHEPRODUCTSPACKAGINGPRIORTOCALLING.RETURNREQUESTSCANNOTBEPROCESSEDWITHOUTPROOFOFPURCHASE.Whenreturningaproduct,marktheReturnAuthorizationnumberclearlyontheoutsideofthepackageandincludeacopyofyouroriginalproofofpurchase.AllcustomersoutsideoftheUnitedStatesofAmericaandCanadashallbeheldresponsibleforshippingchargesandhandlingcharges.

    INNOEVENTSHALLAIR802SLIABILITYEXCEEDTHEPRICEPAIDFORTHEPRODUCTFROMDIRECT,INDIRECT,SPECIAL,INCIDENTAL,ORCONSEQUENTIALDAMAGESRESULTINGFROMTHEUSEOFTHEPRODUCT,ITSACCOMPANYINGSOFTWARE,ORITSDOCUMENTATION.AIR802DOESNOTOFFERANYREFUNDSFORTHEUSBADG2PRODUCTUNLESSITWASPURCHASEDVIATHEAIR8O2ONLINESTOREANDTHENTHESTOREPOLICIESSHALLAPPLY.AIR802makesnowarrantyorrepresentation,expressed,implied,orstatutory,withrespecttoitsproductsoruseofthisdocumentationandallaccompanyingsoftware,andspecficiallydisclaimsitsquality,performance,merchantibility,orfitnessforanyparticularpurpose.AIR802reservestherighttoreviseorupdateitsproducts,software,ordocumentationwithoutobligationtonotfifyanyindividualorentity.Pleasedirectallinquiresto:

    AIR802Suite137319931West75thStreetNaperville,IL60540.

    FCCSTATEMENTThisUSBAdaptorhasbeentestedandcomplieswiththespecificationsforaClassBdigitaldevices,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,uses,andcanradiateradiofrequencyenergyand,ifnotinstalledandusedaccordingtotheinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichisfoundbyturningtheequipmentoffandon,theuserisencouragedtotryandcorrecttheinterferencebyoneormoreofthefollowingmeasures:

    1.Reorientorrelocatethereceivingantenna2.Increasetheseparationbetweentheequipmentandreceiver.3.Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.4.Consultthedealeroranexperiencedradiotechnicianforassistance.

    FCCCautionAnychangesormodificationsnorexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheusersauthoritytooperatethisequipment.

    ThisdevicecomplieswithPart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustnotacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.

    FCCRFRadiationExposureStatementThisequipmentcomplieswithFCCradiationexposuresetforthforanuncontolledenvironment.Thisequipmentshouldbeinstalledandoperatedwithminimumdistance20cmbetweentheradiatorandyourbody.UserscanpurchaseUSBextensioncablesifnecessarytocomply.

    Thedeviceanditsantennamustnotbecolocatedoroperatinginconjunctionwithanyotherantennaortransmitter.

  • TABLEOFCONTENTS

    Chapter1:Introduction 1USBAdaptorIntroduction 1 Features 1SystemRequirements 1PackageContents 2 Chapter2:NetworkPlanning&Architecture 2AdHocversusInfrastructureMode 2USBExtensionCables 3 AlternativeAntennas 4Applications 5 Chapter3:Installation 11PreparationRequirements 11 PackagingExtraction 11BuildandInstallDrivers 12ConfiguretheWirelessSettings 13SetupLinuxWPASupplicant 19ZyDASTurboMode 23AppendixA:Glossary 24AppendixB:Specifications 27AppendixC:WarrantyInformation 28AppendixF:ContactInformation 28

  • CHAPTER1:INTRODUCTION

    USBADAPTORINTRODUCTIONThankyouforyourpurchaseoftheAIR802USBADG2adaptor.ThisUSBadaptoroffersgreatvaluewhetheryouareanindividualpurchasingforuseathomeorforuseinabusinessofanysize.

    USBadaptorsareasimpleandeasywaytoaddwirelesstoacomputer.Themajorityofcomputersnowshipwithwirelesscardsbuiltin,butuserscommonlyfindweaksignals.Thisweaksignalcanoccurduetoseveralfactors.Oneitmaybetoofarfromawirelessrouteroraccesspoint,mostinternalwirelesscardsdonotprovidesignificantradiofrequency(RF)gain.Anotherfactoristhatalmostallbuiltincardshavetheantennasoperatinghorizontally,wherethewirelessrouteroraccesspointhasverticallypolarizedantennas.Thisresultsinsignificantsignalloss.Whatevertheresultingcauseoftheweaksignalis,theUSBADG2withitsexternalandremovableantennawillenhanceyourwirelessexperience.Thiskeytosuccessfulwirelessexerienceistheexternalandremovableantennawiththeflexibilityofusingalternativeantennas.

    Thecompactdesignmakesiteasyforyoutotravelwiththeadaptor.ItdrawsitspowerfromtheUSBport,soyoudonotneedanexternalpowersupply.

    AswithallUSBsticktypedevicescareshouldbetakenwhileconnectedtoalaptop.

    FEATURESCompactSizeUSB1.1and2.0CompliantModulationMethod:IEEE802.11b:DSS(DirectSequenceSpreadSpectrum)IEEE802.11g:OFDM(OrthoFrequencyDivisionMultiplexing)EasySetupandOperationPoweredbyHostComputerBasictoSuperiorSecurityEncryption:64bit,128bitor256bitWEP;WPAandWPA254/48/36/24/18/12/11/9/6/5.5/1MbpsSelectableDataRateSupportsWMM(WiFiMultimedia)Function2400to2485MHzunlicensedISMFrequencyBand2YearLimitedWarranty

    SYSTEMREQUIREMENTSKernel2.4.20+:ThedriverhasbeensuccessfullyandeasilybuiltinRedhat9,FedoraCore2.3andDebian3.1.

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  • PACKAGECONTENTSUSBAdaptorAntenna(5dBigain)CD(Driver/Utility/UsersManual)

    CHAPTER2:NETWORKPLANNINGANDARCHITECTURE

    ADHOCVERSUSINFRASTRUCTUREMODEWirelesslocalareanetworks(WLAN),asspecificedintheIEEE802.11b/gstandardshavetwodifferentconfigurationmodes:AdHocInfrastructureAdHocisagroupofcomputersequippedwitheitherWLANcardsorwirelessUSBadapters.ThegroupofcomputersiscalledaBasicServiceSet(BSS).Theycommunicatewitheachothereliminatingtheneedforanaccesspointorrouterdevice.ComputersinAdHocmodecannotcommunicatewithcomputersonawirednetworkorconnecttotheInternet.Inourconfigurationsoftwareitisreferredtoas,APmode.Howeverthisdoesnotimplythatitisanaccesspointinthenormalsense.AdHocisshowninthediagramontheleftsidebelow.

    InfrastructureiswhereacomputerorothernetworkdeviceequippedwithwithWLANcardorUSBadaptercommunicatesdirectlywithanaccesspointorwirelessrouter.Infrastructuremodeisthenormalmodeofuseformostusers.Itisreferredtoas,stationmodeinourconfigurationsoftware.Aninfrastructureexampleisshowninthediagramontherightabove.

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  • USBEXTENSIONCABLETheremaybecircumstanceswhereyoumayprefernottoplugtheUSBadapterdirectlyintoaUSBport.Thismightincludescenariossuchasadesktopcomputersittingonthefloorandthedesiretogettheadapteruphigherontopofadeskprovidinglesssignalobstructionsandimprovedperformance.AnUSBextensioncablewouldfacilitatethiseffort.AnotherscenariomightbethatyouarenotusingtheantennashippedwiththeproductandhaveinstalledacoaxialcablefromtheUSBadaptertoanantennainstalledoutdoorsforexternalnetworkconnectivity.Thecoaxialcable,dependingonthetypeandsizecouldcausesomestrainontheadapterinanUSBport.Inthiscase,theuseofaUSBextensioncablewouldbeuseful.TherearetwotypesofUSBconnectors,TypeAandTypeB.TheTypeAisarectangularconnectorandTypeBisasquareconnector.TypeAisshowninthephotobelow.

    IfyourapplicationrequiresusingtheUSBadapteroutsideoftheUSBportonyourcomputer,thenanUSBextensioncableisappropriate.YouwillneedaUSBTypeA(male)toplugintothecomputerandaUSBTypeA(female)toplugintheUSBadapter.USBextensioncablesbystandardsspecificationarelimitedto15feetinlength.AIR802currentlymanufacturesUSBextenssioncablesin3and6footUSBlengthsandtheyareavailableat(http://www.air802.com/home.php?cat=428).

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    http://www.air802.com/home.php?cat=428

  • ALTERNATIVEANTENNASTheUSBADG2issoldwitha5dBigaindipoletypeantena.Thisantennaradiatesradiofrequency(RF)in360degrees.Usersmaydependingontheirapplicationandneedsfindalternativeantennastobeuseful.AIR802manufacturesawiderangeofantennaswhichcouldbeusedwiththisadapter.Antennasalonedonotdeterminethedistancethatyoumayreach.ItisafactoroftheRFtransmitpowerandreceiversensitivity(withtheUSBadapterandtheaccesspoint/routerdevice),anycablingloss,freespacelossandantennagainandotherfactorssuchasinterferenceinthe2.4GHzISMband.Withlineofsight,antennnasandaproperinstallation,apointtopointnetworkcanbeachievedfor1mileormore.Outdoorantennascanbeusedindoorsandwillalmostalwayswillprovidebetterresultsthananindoorantennaofthesamegain.ToinstallanantennaremoteoftheUSBadapter,youwillneedtopurchaseaspecialAIR802antennacableasssembly.ThecableassemblywillrequireaRPSMA(plug)attheUSBadapterend.AIR802outdoorantennaswillrequireaN(male)connectorattheoppositeendofthecabe.IndoorTypeANOM2409RPSMADipoleantennawith9dBigainuseifhighergainisrequiredANOM2406Directional6dBigainusetofocusRFenergyinaspecificdirectionANOM2448Directional4.8dBigain,with100cm(7.87)cableusefordirectionalgainOutdoorType*RequiresAIR802AntennaCableAssemblyANOM2408Omnidirectional(360degree),8dBigain,OutdoorANOM2410Omnidirectional(360degree),10dBigain,OutdoorANOM2412Omnidirectional(360degree),12dBigain,OutdoorANYA2408Yagi(directional),8dBigain,OutdoorANYA2410Yagi(directional),10dBigain,OutdoorANYA2412Yagi(directional),12dBigain,OutdoorANYA2415Yagi(directional),15dBigain,OutdoorANYA2418Yagi(directional),18dBigain,Outdoor

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  • APPLICATIONSResidentialNetworkComputertoRouterConnectivity

    Residentialuserscommonlydonotreceiveadequatesignalcoveragethrougouttheirhome.Itisoftenassumedthatreplacingtheexistingrouterantennaforamodelwithhighergainwillresolvetheissue.Whileinsomecircumstancesthismayhelp,oftentheproblemisthattheinternalwirelesscardinthecomputerproducestoweakofasignaltoreachtherouter.InstallingtheAIR802USBADG2devicewillnormallysignificantlyimprovethisscenario.Externalantennassimplyprovidebetterperformance.

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  • ComputertoPublicWiFiAccessPoint(HotSpotConnectivity) Whetherinalocalcoffeeshop,airportorhotellobby,thecomputerusermay

    f