RTX220 QR - Manual

ToughTech™ Duo Users Manual

• RAID1,RAID0andSingleDriveoperationmodes.• DefaultRAID1Mirroringtoassuredataintegrityandprotectionontheroad.• Designedforoptimalheatdissipation.• Easy-releaseremovable2.5”drivesleds.• DesignedforSolidState(SSD)andstandardSATAHDDs.• QRModelofferseSATA,FireWire800/400andUSB2.0hostconnectivity.• 3SRModelofferseSATA,USB2.0andUSB3.0hostconnectivity.• FireWireisdaisy-chainablewithbuspower(QRmodelonly).• Newuserfriendlydisplaymenu,inputselectionanddrivehealthmonitoring.• UsesS.M.A.R.T.(Self-Monitoring,AnalysisandReportingTechnology)totrackharddrive

health,alertinguserofpotentialproblems.• User-selectabletemperature,warning,andalarmsettings(LEDsandaudible).• DCpoweravailableforUSB&eSATAoperation.Poweradapterincluded.• Drivesledsallowfordriveinsertion/removalwithouttools.

Models Covered:ToughTechDuo-QRToughTechDuo-3SR

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1. Pre-Installation Steps

1.1 ToughTech Duo Accessories

ChecktheaccessorieswithyourToughTechDuoorToughTechDuo-3SR.PleasecontactCRUifanypartsaremissingordamaged.Theboxshouldcontainthefollowingitems:

1.2 Identifying Parts

TakeamomenttofamiliarizeyourselfwiththepartsoftheToughTechDuo.Thiswillhelpyoutobetterunderstandtheremaininginstructions.

1.UnitPower,System,RAIDLEDs2.LCDScreen3.NavigationButtons

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1.DrivePowerandDriveActivityLEDs2.DriveSledEjectionButton3.SlideLocks

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Table of Contents

1. Pre-Installation Steps 2

1.1Accessories 2

1.2IdentifyingParts 2

1.3ConsideryourRAIDConfiguration 3

1.3.1RAID0 3

1.3.2RAID1 3

1.3.3SingleDiskMode 3

2. Hardware Setup 3

2.1InstallingHardDrives 3

2.2ConnectingandPoweringToughTechDuo 4

3. LED Behavior 4

4. LCD Menu Screens 4

5. Setting up the RAID 4

5.1CreatinganewRAID 4

5.2ChangingtheRAIDType 5

6. Adding a New Disk 5

6.1RAID1 5

6.2RAID0 5

6.3SingleDiskMode 5

7. Buzzer and Temperature Configuration 5

RAIDisnotaBackup 5

7.1ConfigurationPIN 6

7.2Buzzers 6

7.3SystemWarningBuzzer 6

7.4SystemAlarmBuzzer 6

7.5RAIDWarningBuzzer 6

7.6RAIDAlarmBuzzer 6

7.7TemperatureSliders 6

8. Usage with Mac and Windows Operating Systems 6

8.1UsagewithMacintoshComputers 6

8.1.1Compatibility 6

8.1.2MountingandEjectingVolumes 6

8.1.3BootingtotheToughTech 7

8.2UsagewithWindowsOperatingSystem 7

8.2.1Compatibility 7

8.2.2MountingandEjectingVolumes 7

9. Frequently Asked Questions 7

10. Technical Specifications 8

ToughTechDuounit 1

Poweradapter 1

eSATAcable 1

FW800cable 1

USB2.0typeAtoAcable

1

FW800toFW400cable 1

Screwkit 1

QuickStartGuideandWarrantyInformation

1

ToughTechDuo-3SRunit 1

Poweradapter 1

eSATAcable 1

USB2.0typeAtoAcable

1

USB3.0cable 1

Screwkit 1

QuickStartGuideandWarrantyInformation

1

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1.FireWirePorts2.eSATA/USB2.0CombinedPort3.PowerSwitch4.PowerSupplyInput

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drives.Ifonedriveweretofail,yourdatawouldstillbepreservedontheotherdrive.AfterreplacingafaileddriveyoucanrebuildtheRAIDontheflysothatyourdataisonceagainredundantandsecure.

1.3.3 Single Disk Mode Inthismodetheunitwillsupportasingledrive.

2. Hardware Setup

2.1 Installing Hard Drives

ToughTechDuoiscompatiblewith2.5-inchSATAharddrivesthatarenomorethan9.5mminheight.Followthesestepsforinstallingorremovingadrive.

a.Pushtheejectionbutton.Thehandlewillswingopen.

b.Removethedrivesledandswingthesidepanelout.

c.Insertthedrivewiththelabelup.

d.Closethesidepanel.Ensurethepanelisflushwiththedrive.

e.Securethedrivewiththeprovidedscrews(optional).

f.Slidethedrivesledbackintotheunit.

g.Closethehandleandensurethesledissecurelyinplace.

1.3 Consider your RAID Configuration

IfyoupurchasedToughTechDuowithdrivespre-installedandpre-configured,skiptoHardwareSetup.

ToughTechDuosupportsRAID0,RAID1andasingledrive.Considerwhichconfigurationbestsuitsyourneeds.AllharddrivesmustbeinitializedpriortouseintheToughTechDuo.ItisnotpossibletoaddadrivetoToughTechDuoandaccesspre-existingdataonthatdrive.Theharddrivemustbeinitializedbytheunit,whichwillcausethelossofalldataonthedrive.Thedrive(s)mustbeconfiguredtoRAID0,RAID1orasingledrive.

1.3.1 RAID 0 Inthismode,theunitwillconfigurethedrivesina“striped”RAID.Thiswillsplityourdatabetweenthedrives,offeringfasterperformanceandallowingyoutousethefullcapacityofthedrivesinasinglevolume.However,thismodeoffersnoprotectionforthedata;ifeitherharddriveweretofail,alldatawouldbelost.

1.3.2 RAID 1 Inthismode,theunitwill“mirror”thetwodrivesforbestdataprotection.Inthismode,youwillworkwithasinglevolumeequalinsizetothecapacityofonedrive.Whenyoucopydatatothevolume,ToughTechDuowillsimultaneouslywritethedatatoboth

NOTE: ThereisnowaytoconvertadriveinSingleDiskModetoRAID1withoutcreatinganewarraywhichwillcauselossofthedataontheharddrive.

Step a

Step b

NOTE: Ifanyofthedrivesareinaccessibleafterpoweringontheunit,trythefollowingsteps:1.Turnoffthepower.2.Removethedrive(s)inquestion.3.Reinsertthedrive(s).4.Turnonthepower.

RearofToughTechDuo-QR

1.eSATA/USB2.0CombinedPort2.USB3.0Port3.PowerSwitch4.PowerSupplyInput

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RearofToughTechDuo-3SR

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2.2 Connecting and Powering ToughTech Duo

a.ConnectthedatacabletothecorrespondingportonToughTech

Duo.

b.ProvidepowertotheToughTechDuo.Therearetwopossiblewaystodothis.

Option1:IftheFireWirehostonyourcomputerispowered,ToughTechDuocanuseFireWireforpower(QRModelonly).

Option2:PlugtheincludedACadapterintotheDCjackontherearoftheToughTechDuo.Plugtheotherendintoagroundedelectricaloutlet.

c.Plugtheotherendofthedatacabletoanavailableportonyour

computerEnsurethatthegreenpowerLEDindicatorisactive.

3. LED Behavior(seesection1.2forlocationsoftheLEDsontheunit)

NOTE:NotallharddrivessupporttheDriveActivityLEDfunctionalityinthesameway.

UnitPower Glowsgreenwhenthepowerswitchinthe“on”position

System • LEDis“off”bydefault• Configurable(seesections7.3and7.4)• GlowsAMBERwhenadrivereaches

adefaulttemperature(50°C),oratemperaturethatyouset.

• GlowsREDwhenadrivereachesadefaulttemperature(55°C),oratemperaturethatyouset.

RAID • LEDis“off”bydefault• GlowsAMBERwhentheRAIDisdegraded• GlowsREDwhentheRAIDhasfailedoris

invalid

DrivePower GlowsGREENwhenthedriveisintheunitandreceivingpower

DriveActivity GlowsAMBERwhenthedriveisbeingaccessed,eitherreadingorwritingfromthedrive.

NOTE:eSATAandUSB2.0sharethesameport.

4. LCD Menu Screens(usetheNavigationButtonstochangescreens)

5. Setting up the RAID

ToughTechDuoofferstwooptionsforRAIDconfigurationaswellassingle-diskmode.Seesection1.3fordetailsontheavailableoptions.StopalldatatransfersbeforesettingorchangingRAIDtypesorrebuildingadegradedarray.Failuretodosocanresultinthelossofdata.TosetuporchangetheRAIDtype,disconnectalldatacablesandrebootToughTechDuo.Aftertheunithasinitialized,theLCDwilldisplaythedrives’modeandstatus.Youcanthenreconnecttothecomputer.

5.1 Creating a New RAID (UsetheLCDandinterfacebuttonstocompletethisstep)

FollowthesestepsforsettingupanewRAIDifyoudidnotpurchaseyourunitpre-configured.

a.Uponinsertionofnewdisks,theLCDwillread“RaidError:notaRAIDset.”

b.Press“Enter”onthefrontinterfacetwice.

c.TheLCDscreenwilldisplay“MAKEANEWRAID?”

d.Select“YES.”

e.SelectyourRAIDtype(RAID0or1)

f.TheLCDscreenwillread“WillerasealldataOK?”

Mode/Status TheRAIDlevelusedStatusofRAID:NormalorDegraded

DriveStatus • OK:Indicatesthattheharddriveisinuseorreadytouse

• NoDisk:Indicatesthattheharddrivewasremovedornotinstalled

• Unused:AnewdrivewasinstalledandnotaddedtotheRAID

• Failing:Indicatesthedriveismalfunctioning.Possiblecausesoffailuremessageincludeaninabilitytorecognizethedrive,acompatiblityproblem,ordamagedsectors.

DriveTemp Displaystemperatureofthetopandbottomdrives,asreportedbyS.M.A.R.Tstatus

ChangeRAIDmode

AllowsyoutochangetheRAIDlevel(seesection5.2)

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g.Select“YES.”TheRAIDisnowcreated.

5.2 Changing the RAID Type

a.PresstheUpbutton,forthe“ChangeRAIDMode”screen.

b.PresstheEnterbutton.

c.PresstheDownorUpbuttontoselectthedesiredRAIDtype.

d.Thescreenwilldisplay“WillEraseallData.”Selecting“OK”willresultinthelossofalldataonthedrives.(EnsurealldataisbackeduppriortopressingOK.)Ifyou’rereadytocontinue,pressEnter.

e.ThenewconfigurationwillbeselectedandToughTechwillreboot.

f.ToughTechhasbeenconfiguredandisreadyforoperation.Followtheinstructionsfortheappropriateoperatingsystemusageinstructionstoinitializeandformatthedrives.

6. Adding a New Disk

6.1 RAID 1

IntheeventofadiskfailureorremovalforaRAID1,theRAIDwillcontinuetofunctioninadegradedstate.AddanewdisktoToughTechDuotorebuildtheRAID.

AfterthenewdrivehasbeendetectedToughTechDuowillasktoaddanewdisk.PresstheEnterbuttontoselect“YES”toaddthedisk.ThediskwillbeaddedtotheRAIDandtheRAIDwillbegintorebuild.TheLCDscreenwilldisplaythepercentcompletefortherebuild.Rebuildtimesvary;a1TBharddrivetakesjustover3hourstorebuild.

6.2 RAID 0

NeverremoveadrivefromaRAID0asthiswillcausethelossofalldata.IntheeventofadiskfailureforaRAID0,theRAIDwillbedestroyed.AddadriveandthenpresstheUpbuttontocreateanewRAID.Followthedisplaypromptstobuildanewarray.

6.3 Single Disk Mode

IntheeventofadrivefailureinSingleDiskmode,alldatawillbelost.SingleDiskmodeallowsusageofasingleharddrive.Ifaseconddriveisaddedlater,itcannotbecombinedwiththefirstdisk,norwillitprovidetheoptionoftwoindividualdiskstobeseenbythehostcomputer.ItwillallowtheoptiontocreateanewRAIDusingbothdisks,thoughthiswilldestroyanydataonbothdisks.

7. Buzzer and Temperature Configuration

Ifyouwouldliketosetapasswordforsecurity,enableordisableaudiblealarms,orchangethetemperaturethresholdsforheatwarningsandalarms,youmaydosousingafreesoftwareutilityknownasConfigurator.TodownloadtheConfiguratorsoftwareanduser’smanual,pleasevisitwww.wiebetech.com/software/configurator.php.WiebeTechisabrandofCRU.

WARNING: ChangingRAIDlevelswilleraseanydataonthedrives.MakeabackupcopyofanydatayouwishtokeepbeforechangingtheRAID.

WARNING: AnydataonthenewdiskwillbedestroyedwhenthedriveisaddedtotheRAID.

RAID is Not a Backup

BecauseyourToughTechDuofeaturesaredundantRAIDmodewhichprotectsagainstaharddrivemechanicalfailure,itisanexcellentpartofanybackupstrategy.However,aRAIDisnot,initself,abackupstrategy.Manythingsbesidesharddrivefailurecandamageoreraseyourdata:Corruptioncausedbyunexpecteddisconnectionduringdataaccess(e.g.acableisunpluggedduringadatatransfer,orthecomputercrashesorlosespowerwhilewritingtothedrives)

• Corruptionordestructioncausedbyvirusesorothermalware• Sabotagebyadisgruntledemployeeoracquaintance• TheftorlossofyourToughTechDuo• Naturaldisasterssuchasfire,flooding,etc.

Consideringthesepossibilities,anysinglecopyofyourimportantdatamustalwaysbeconsideredatrisk.That’swhybackingupissoimportant.Followthe3-2-1backuprule.Yourdatashouldexistinthreedifferentplacesontwodifferentstoragemediaandatleastoneofthosecopiesshouldbemaintainedoffsite.

Ifyoudonothaveaneffectivebackupstrategy,youmaynotbeabletorecoveryourdata,orthecostofrecoverymaybequiteexpensive.Ourwarrantydoesnotcovercostsassociatedwithdataloss(nordothewarrantiesofotherharddrivemanufacturers).

Weknowitwouldbeheartbreakingtoloseyourdata,sopleaseplanaccordingly!

NOTE:ToconfigureyourToughTechDuo-QR,youmustbeconnectedviaFireWireorUSB2.0.ToconfigureyourToughTechDuo-3SR,youmustbeconnectedviaUSB2.0andusetheeSATA/USB2.0combinedportontheDuounit.

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7.1 Configuration PIN

ThisfeatureallowsyoutosetaPINtopreventunauthorizedconfiguration.ThedefaultPINis0000.ToughTechDuoonlyrequiresyoutoenteraPINifadifferentvaluehasbeenset.

7.2 Buzzers

Placeacheckintheboxestoindicatewhichwarning/alarmbuzzersyouwanttobeactivated.

7.3 System Warning Buzzer

Thisbuzzerwillsoundwhenadrivereachesadefaulttemperature,oratemperaturethatyouset(seesection7.7).

Asavisualalert,the“system”LEDwillglowamberwhenthetemperatureisreached.

7.4 System Alarm Buzzer

Thisbuzzerwillsoundononeoccasion:• Whenadrivereachesadefaulttemperatureorthe

temperaturethatyouset(seesection7.7).

NOTE: SomefeaturesoftheConfiguratorarenotapplicabletoToughTechDuo.Examplesincludethefankick-onandEnclosureTempsetting.

7.5 RAID Warning Buzzer

ThisbuzzerwillsoundwhenToughTechDuoisindegradedRAIDmode(i.e.adrivehasfailedandisinneedofrebuild,ortheRAIDiscurrentlyrebuilding).The“RAID”LEDwillglowamberifthisoccurs.

7.6 RAID Alarm Buzzer

ThisbuzzerwillsoundwhentheRAIDhasfailedorisinvalid.The“RAID”LEDwillglowredifthisoccurs.

7.7 Temperature Sliders

WhenyourToughTechDuoreachesacertaintemperature,theSystemLEDlightsup,andbuzzerswillsound(unlessyouconfigurethemnottodoso).Youmaywanttochangethesedefaulttemperaturesaccordingtoyourenvironment.Withthese“sliders,”youcanchangethedefaulttemperaturesofthe:

• DriveTemperatureWarning• DriveTemperatureAlarm

8. Usage with Mac and Windows Operating Systems

8.1 Usage with Macintosh Computers

8.1.1 CompatibilityToughTechDuorequiresnodriversforoperationwithOSX.

8.1.2 Mounting and Ejecting VolumesWhenyouconnecttheunittotheMacforthefirsttimeandturnonthepower,you’llprobablyseeamessagesayingthatthediskisunreadable.Thisisbecauseyoumustformatthevolumebeforeus-ingit.TheeasiestwaytodothisistouseMacOSX’sDiskUtility.IfyouplantousetheunitonbothMacsandPCs,select“MSDOSFileSystem”astheformattype.IfyouonlyplantousetheunitonMacs,thenselect“MacOSExtended”.Afterthevolumeisformat-

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ted,aniconrepresentingthedrivevolumewillappear(“mount”)onthedesktop.Youcannowusethevolumejustlikeaninternalharddrive.

Ejectthevolumebeforepoweringdowntheunitbydraggingthevolume’sicontothetrashbin,orbyselectingthevolumethenpressingCommand-E.Shuttingdowntheunitwithoutfirstejectingthevolumecanresultindataloss.

8.1.3 Booting to the ToughTech SomeMacssupportbootingfromFireWiredevices.Toactivatethisfeature,youmustfirstinstallOSXontheexternalvolume.Theeasiestwaytodothisistocloneanexistingsystemdriveusingadrivecloningutility.Next,gotoSystemPreferences-->StartupDisk.Awindowwilllisttheavailablebootablevolumes.Selectthevolumefromwhichyouwishtoboot.AnothermethodistoholddowntheOptionkeyduringstartup.Ascreenshouldappearthatallowsyoutoselectthevolumeyouwishtouse.ThisisusefulifyouwishtobootfromyourToughTechonlysomeofthetime.

8.2 Usage with Windows Operating System

8.2.1 CompatibilityToughTechiscompatiblewithWindowsXP,Vista,andWindows7.Nodriversareneeded.

8.2.2 Mounting and Ejecting VolumesBeforeyoucanuseyourToughTech,youmustfirstformatthedrivesintoavolume.UseDiskManagement,whichyoucanfindbyright-clickingonMyComputerthenselectingManage.SelectNTFSfortheformattype.IfyouwishtoformatFAT-32forcross-platformcompatibility,youwillneedtouseathird-partyutilitytodoso.WindowsXPwillnotcreateFAT-32volumeslargerthan32GB.Afterthevolumeisformatted,aniconrepresentingthedrivevol-umewillappearinMyComputer.Youcannowusethevolumejustlikeaninternalharddrive.

IfToughTechisconnectedtoyourcomputerviaFireWireorUSB,alwaysejectthedevicebyclickingthetaskbar“eject”iconbeforeturningoffpowerorunpluggingthedatacable.Failingtodosocouldresultindatacorruptiononthedrive.WhenconnectingviaeSATA,youwillnotbeabletoejectinthisway.However,itispossibletodisablethedeviceusingDeviceManager.Whetherornotyouchoosetodisablethedeviceinthisway,alwaysmakesurethedrivesarenotbeingaccessedbeforeshuttingoffToughTechtoavoiddataloss.

9. Frequently Asked Questions (FAQ)

Q: Why won’t the computer let me eject or unmount my drive?

A:Theremaybeasoftwareapplicationrunninginthebackgroundwithanactivelinktothedrive.Sometimes,youmayseeames-

sagesuchas“Thediskisinuseandcouldnotbeejected.Tryquittingapplicationsandtryagain.”

ItcouldbeabackgroundapplicationlikeSherlockortheFinder.ThisisnotadefectorissuecausedbytheWiebeTechdevice.TryinvokingtheForceQuitfeatureinOSXtoseewhatsoftwaremayberunning.ForWindowsXP,theequivalentcommandisCTRL-ALT-DEL.

DrivesconnectedtothecomputerviaeSATAcannotbeejectedinWindowsthewayFireWiredrivescan.However,freewareutilitiesareavailableontheinternetthatprovideasimilarfunction.

Q: I’ve attached my ToughTech Duo and can see the volume, but it shows up twice. Which one is real?

A:IfyouareseeingyourToughTechvolumemountedtwice,chancesaretheunitisconnectedtothecomputerusingboththeeSATAandFireWireconnections.Whenthisisthecase,theOSmayattempttomounttheToughTechtwiceresultingintwovolumesappearing.SimplyturnofftheToughTechandunplugoneoftheconnectionstoresolvetheproblem.

Q: Why does my eSATA device appear as a Parallel SCSI device in System Profiler?

A:The“SerialATA”tabinSystemProfileshowsdevicesattachedtotheinternalSATAbus,butnotalwaysdevicesattachedtoaneSATAhostcard.Sometimesthesedeviceswillappearundertheheading“ParallelSCSI”instead.Thisisentirelynormalanddoesnotindicateaproblemwiththedeviceoritsdrivers.

Q: What hard drives work with ToughTech Duo?

A:ToughTechDuoaccepts2.5-inchSATAharddrivesthatarenomorethan9.5mminheight.

Q: Will this product work with hard drives larger than 2.2TB?

A:Yes,assumingtherestofyourconfiguration(e.g.OS,BIOS,hostdrivers)supportslargevolumes,thisproductiscompatiblewithdriveslargerthan2.2TB.

Q: The Drive Activity LED on my ToughTech Duo isn’t lighting up. Is there something wrong with my unit?

A:NotallharddrivessupporttheDriveActivityLEDfunctionalityinthesameway.Forexample,somedrives,suchassomemodelsofSolidStateDrivesdonotreportdriveactivityatall.

Q: Can I use bus power with ToughTech Duo-3QR?

A:No.USB3.0doesnotprovideenoughpowertopowerbothdrivesandtheRAIDengine.

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10. Technical Specifications

ToughTechisatrademarkofCRUAcquisitionsGroup,LLC.Othermarksarethepropertyoftheirrespectiveowners.©2011CRUAcquisitionsGroup,LLC.Allrightsreserved.

ProductWarrantyCRUwarrantsthisproducttobefreeofsignificantdefectsinmaterialandworkmanshipforaperiodoftwoyearsfromtheoriginaldateofpurchase.CRU’swarrantyisnontrans-ferableandislimitedtotheoriginalpurchaser.

LimitationofLiabilityThewarrantiessetforthinthisagreementreplaceallotherwarranties.CRUexpresslydisclaimsallotherwarranties,includingbutnotlimitedto,theimpliedwarrantiesofmer-chantabilityandfitnessforaparticularpurposeandnon-infringementofthird-partyrightswithrespecttothedocumentationandhardware.NoCRUdealer,agent,oremployeeisauthorizedtomakeanymodification,extension,oradditiontothiswarranty.InnoeventwillCRUoritssuppliersbeliableforanycostsofprocurementofsubstituteproductsorservices,lostprofits,lossofinformationordata,computermalfunction,oranyotherspecial,indirect,consequential,orincidentaldamagesarisinginanywayoutofthesaleof,useof,orinabilitytouseanyCRUproductorservice,evenifCRUhasbeenadvisedofthepossibilityofsuchdamages.InnocaseshallCRU’sliabilityexceedtheactualmoneypaidfortheproductsatissue.CRUreservestherighttomakemodificationsandadditionstothisproductwithoutnoticeortakingonadditionalliability.

Productname/code ToughTechDuo-QRandToughTechDuo-3SR

InterfaceTypes&Speeds

eSATA-upto3.0GbpsDualFireWire800(400compatible)-upto800Mbps(QRModelonly)USB2.0-Upto480MbpsUSB3.0:upto5.0Gbps(-3SRmodelsonly)

RAIDLevelsSupported

RAID0(striped)orRAID1(mirrored)

DriveCompatibility All2.5”SATAharddrivesthatarenomorethan9.5mmhigh

PowerSwitch 2position:on/off

OperatingSystemRequirements

Windows7,Vista,orXPMacOSXLinuxdistributionsusingkernelversion2.4orabove

Compliance FCC,CE,RoHS

ProductWeight 1.65poundswithdrives,1.05poundswithoutdrives(excludingaccessories)

ProductDimensions 159mmLx89mmWx35mmD

Warranty 2-yearlimitedwarranty.Seewarrantystatementfordetailsandlimitations.Wedon’twantanythingtogowrongwithyourCRUproduct.Butifitdoes,techsupportisstandingbyandreadytohelp.Contactusatwww.cru-dataport.com/technical-support/customer-technical-support.php

A9-000-0003Rev1.1

FCCComplianceStatement:“ThisdevicecomplieswithPart15oftheFCCrules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.”

ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotec-tionagainstharmfulinterferencewhentheequipmentisoperatedinahomeorcommercialenvironment.Thisequipmentgenerates,uses,andcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructionmanual,maycauseharmfulinterferencetoradiocommunications.Operationofthisequipmentinaresidentialareaislikelytocauseharmfulinterferenceinwhichcasetheuserwillberequiredtocorrecttheinterferenceatthisownexpense.

IntheeventthatyouexperienceRadioFrequencyInterference,youshouldtakethefollowingstepstoresolvetheproblem:

1)Ensurethatthecaseofyourattacheddriveisgrounded.2)UseadatacablewithRFIreducingferritesoneachend.3)UseapowersupplywithanRFIreducingferriteapproximately5inchesfromtheDCplug.4)Reorientorrelocatethereceivingantenna.