Lenovo Flex System Fabric CN4093 User manual

LenovoFlexSystemFabricCN409310GbConvergedScalableSwitch
InstallationGuide

ImportantProductInformation—
Beforeusingthisinformationandtheproductitsupports,readAppendixB,“Notices”onpage 61ofthis
manual.AlsoreadtheproductWarrantyInformationdocument,theImportantNoticesdocument,theSafety
Informationdocument,theLicenseAgreementforMachineCode(LAMC)document,andtheEnvironmental
NoticesandUserGuidedocumentlocatedatLenovoSystemx,ThinkServerandStorageproduct
documentation.
July2017Edition
©CopyrightLenovo2017
Portions©CopyrightIBMCorporation2014.
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ServicesAdministration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforth
inContractNo.GS‐35F‐05925.
LenovoandtheLenovologoaretrademarksofLenovointheUnitedStates,othercountries,orboth.

© Copyright Lenovo 2017 Contents 3
Contents
Safety Information . . . . . . . . . . . . . . . . . . . . . . . .5
SafetyStatements ............................7
ULRegulatoryInformation......................8
Chapter 1. The CN4093 10 Gb Converged Scalable Switch . . . . . . . .9
Documentation.............................12
AboutthisInstallationGuide .....................12
NoticesandStatementsinthisDocument ...............12
RelatedDocumentation .......................13
Chapter 2. Installing and Removing the CN4093 . . . . . . . . . . . 15
BeforeInstallingtheCN4093.......................17
InstallationGuidelines ........................18
SystemReliabilityGuidelines .....................19
HandlingStatic‐SensitiveDevices...................19
InstallingtheCN4093 ..........................20
RemovingorReplacingtheSwitch ....................22
ConnectingSwitchPorts.........................23
TheSerialConsolePort.......................23
TheRJ‐45ManagementPort.....................24
HandlingTransceiverModules ....................25
SFP+Ports.............................26
QSFP+Ports ............................29
LocatingtheInformationPanels,LEDs,andExternalPorts ..........32
InformationPanel ..........................32
InformationLEDs ..........................34
Chapter 3. Configuring the CN4093 . . . . . . . . . . . . . . . . 37
EstablishinganInterfaceThroughtheCMM................39
EnablingManagementThroughDataPorts ................40
AccessingtheSwitchThroughtheSSHv2/TelnetInterface..........41
AccessingtheSwitchThroughtheSerial‐PortInterface ...........42
AccessingtheSwitchThroughtheBrowser‐BasedInterface .........43
InitialConfiguration ..........................44
Chapter 4. Updating the Firmware and Licensing . . . . . . . . . . . 45
DeterminingtheLevelofSwitchFirmware.................46
ObtainingtheLatestLevelofSwitchFirmware...............47
UpgradingtheSwitchFirmware .....................48
SwitchFirmwareUpgradeExample..................49
ResettingandRestartingtheSwitch....................50
AcquiringFeatureLicenses .......................51
InstallingFeatureLicenses........................53
Chapter 5. Solving Problems . . . . . . . . . . . . . . . . . . . 55
RunningPOST.............................56
POSTErrors ..............................57
Partslisting..............................58

4CN4093 Installation Guide
Appendix A. Getting Help and Technical Assistance . . . . . . . . . 59
Appendix B. Notices . . . . . . . . . . . . . . . . . . . . . . 61
Trademarks..............................63
ImportantNotes............................64
Recyclinginformation..........................65
ParticulateContamination ........................66
TelecommunicationRegulatoryStatement.................67
ElectronicEmissionNotices.......................68
FederalCommunicationsCommission(FCC)Statement.........68
IndustryCanadaClassAEmissionComplianceStatement ........68
AvisdeConformitéàlaRéglementationdʹIndustrieCanada.......68
AustraliaandNewZealandClassAStatement .............68
EuropeanUnion‐CompliancetotheElectromagneticCompatibilityDirective
69
GermanyClassAStatement.....................69
VCCIClassAStatement.......................70
JapanElectronicsandInformationTechnologyIndustriesAssociation
(JEITA) Statement..........................71
KoreaCommunicationsCommission(KCC)Statement..........71
RussiaElectromagneticInterference(EMI)ClassAStatement.......71
People’sRepublicofChinaClassAElectronicEmissionStatement....71
TaiwanBSMIRoHSDeclaration...................72
TaiwanClassAComplianceStatement................72

© Copyright Lenovo 2017 Safety Information 5
Safety Information
Beforeinstallingthisproduct,readtheSafetyInformation.
Antesdeinstalaresteproduto,leiaasInformaçõesdeSegurança.
PrijeinstalacijeovogproduktaobaveznopročitajteSurgonosneUpute.
Předinstalacítohotoproduktusipřečtětepříručkubezpečnostníchinstrukcí.
Læssikkerhedsforskrifterne,førduinstallererdetteprodukt.
Leesvoordatuditproductinstalleerteerstdeveiligheidsvoorschriften.
Ennenkuinasennattämäntuotteen,lueturvaohjeetkohdastaSafetyInformation.
Avantdʹinstallerceproduit,lisezlesconsignesdesécurité.
VorderInstallationdiesesProduktsdieSicherheitshinweiselesen.’
Πρινεγκαταστήσετετοπροϊόναυτό,διαβάστετιςΠληροφορίεςασφαλείας
(safetyinformation).
AterméktelepítéselőttolvassaelaBiztonságielőírásokat!
Primadiinstallarequestoprodotto,leggereleInformazionisullaSicurezza.
Πреддаинсталираовојпродукт,прочитајтеинформацијатазабезбедност.
Lessikkerhetsinformasjonen(SafetyInformation)førduinstallererdette
produktet.
Przedzainstalowaniemtegoproduktu,należyzapoznaćsięzksiążką“Informacje
dotyczacebezpieczeństwa”(SafetyInformation).
Antesdeinstalaresteproduto,leiaasInformaçõessobreSegurança.
Передустановкойпродуктапрочтитeинcтрyкциипотexникeбезопасности.
PredinštalácioutohtozariadeniasiprečítajteBezpečnostnépredpisy.

6 CN4093 Installation Guide
PrednamestitvijotegaproizvodapreberiteVarnostneinformacije.
Antesdeinstalaresteproducto,lealainformacióndeseguridad.
Lässäkerhetsinformationeninnanduinstallerardenhärprodukten.
Buürünükurmadanöncegüvenlikbilgileriniokuyun.
Youqmwngzyunghcanjbinjneixgaxgonq,itdinghaeudoegaencanjbinjsoengq
cungjvahgangjanciensuisik.

© Copyright Lenovo 2017 Safety Information 7
Safety Statements
Important—
Eachcautionanddangerstatementinthisdocumentislabeledwithanumber.This
numberisusedtocrossreferencetheEnglish‐languagecautionordanger
statementwiththetranslatedversionsofthecautionordangerstatementinthe
SafetyInformationdocument.
Forexample,ifacautionstatementislabeled“Statement1,”translationsforthat
cautionstatementareintheSafetyInformationdocumentunder“Statement1.”
Besuretoreadallcautionanddangerstatementsinthisdocumentbeforeyou
performtheprocedures.Readanyadditionalsafetyinformationthatcomeswith
thesystemoroptionaldevicebeforeyouinstallthedevice.
Followingisacompilationofthestatementsfoundthroughoutthismanual.
Statement 1
DANGER
Electricalcurrentfrompower,telephone,andcommunicationcablesis
hazardous.
Toavoidashockhazard:
Donotconnectordisconnectanycablesorperforminstallation,
maintenance,orreconfigurationofthisproductduringanelectricalstorm.
Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.
Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedto
thisproduct.
Whenpossible,useonehandonlytoconnectordisconnectsignalcables.
Neverturnonanyequipmentwhenthereisevidenceoffire,water,or
structuraldamage.
Disconnecttheattachedpowercords,telecommunicationssystems,
networks,andmodemsbeforeyouopenthedevicecovers,unless
instructedotherwiseintheinstallationandconfigurationprocedures.
Connectanddisconnectcablesasdescribedinthefollowingtablewhen
installing,moving,oropeningcoversonthisproductorattacheddevices.
ToConnect:
1.TurneverythingOFF.
2.First,attachallcablestodevices.
3.Attachsignalcablestoconnectors.
4.Attachpowercordstooutlet.
5.TurndeviceON.
ToDisconnect:
1.TurneverythingOFF.
2.First,removepowercordsfromoutlet.
3.Removesignalcablesfromconnectors.
4.Removeallcablesfromdevices.

8 CN4093 Installation Guide
Statement 3
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following:
Donotremovethecovers.Removingthecoversofthelaserproductcould
resultinexposuretohazardouslaserradiation.Therearenoserviceableparts
insidethedevice.
Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthose
specifiedhereinmightresultinhazardousradiationexposure.
DANGER
Class 1 Laser Product
Laser Klasse 1
Laser Klass 1
Luokan 1 Laserlaite
Appareil À Laser de Classe 1
Statement 25
CAUTION:
This product contains a Class 1M laser. Do not view directly with optical
instruments.
UL Regulatory Information
ThisdeviceisforuseonlywithlistedLenovoFlexSystemEnterpriseChassis.
SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.
Notethefollowing.
Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectly
withopticalinstruments,andavoiddirectexposuretothebeam.

© Copyright Lenovo 2017 9
Chapter 1. The CN4093 10 Gb Converged Scalable
Switch
ThisInstallationGuideprovidesinformationabouttheLenovo®FlexSystem™
FabricCN409310GbConvergedScalableSwitch(referredtoasCN4093or
“switch”throughoutthisdocument).
Figure 1. TheCN4093
Note: Theillustrationsinthisdocumentmightdifferslightlyfromyourhardware.
Tx / Rx
Link
1
Tx / Rx
Link
2
Tx / Rx
Link
10Gb
40Gb
3
3
4
Tx / Rx
Link
56
34
56
Tx / Rx
Link
78
Tx / Rx
Link
910
10Gb
40Gb
7
78
910
Tx / Rx
Link
Mgmt
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Tx / Rx
Link
Link
Link
Link
Link
Link
Link
Link
Link
Link
Link
Link
11
12
13
14
15
16
17
18
19
20
21
22
SFP+ module ports
QSFP+ module ports
RS-232 serial port
(management only)
RJ-45 external
management port
Switch status LEDs
Omni Ports

10 CN4093 Installation Guide
TheCN4093providessupportforLayer 2andLayer 3switching,aswellasafull
setofconvergefeatures:
ConvergedEnhancedEthernet(CEE)includingFibreChanneloverEthernet
(FCoE)overallEthernetports,includingOmniPortsactinginEthernetmode.
Priority‐basedFlowControl(PFC),EnhancedTransmissionSelection(ETS)and
DataCenterBridgingCapabilityExchange(DCBX).
N_PortVirtualization(NPV)GatewayandFullFabricFibreChannelForwarder
(FCF).
FullfabricFibreChannel(FC)services,includingNameServerand
hardware‐basedZoning.
LenovoVirtualNetworkInterfaceCard(vNIC)VirtualFabricAdapterwith
SingleRootI/OVirtualization(SR‐IOV)capability.
TheCN4093providespay‐as‐you‐growscalability.Withoptionallicensing,you
caneasilyandcost‐effectivelyexpandthenumberofavailableports.
Thebaselicenseprovidessupportforthefollowing:
Singlecomputenodeportcapability,consistingoffourteeninternal10Gigabit
Ethernet(GbE)withFCoEandauto‐negotiationcapability)
Twoexternal10GbE/FCoESmallForm‐factorPluggablePlus(SFP+)ports
whichalsosupportlegacy1GbE/FCoEconnections
SixOmniPorts,allowingeachportpairtobeusedaseithertwo10GbE/FCoE
SFP+opticalportsorasFCportsindependentlycapableof4or8Gigabitsper
second(Gbps)
Additionalportsareavailablewithoptionallicenses.Therearetwoupgradesthat
areavailablefortheCN4093(see“Ac q u iri n gFeatureLicenses”onpage 51).
Upgrade1addssupportsforthefollowing:
Fourteenadditionalinternal10GbE/FCoEcomputenodeports
Twoexternal40GbE/FCoEQuadSmallFormPluggablePlus(QSFP+)ports,
eachofwhichcanbeoptionallyusedasfour10GbE/FCoESFP+ports
Upgrade2addssupportforthefollowing:
Fourteenadditionalinternal10GbE/FCoEcomputenodeports
SixadditionalOmniPorts
Note: Upgrade1andUpgrade2areindependentandcanbeinstalledinanyorder,
withorwithouttheother.
SFP+ports
canbepopulatedwith10GbopticalorcopperSFP+transceivermodules
orDirect‐AttachCables(DACs),orlegacy1GbopticalorcopperSFPtransceiver
modules.
Omniportsports canbepopulatedwith10GbopticalSFP+transceivermodulesor
DACs.
QSFP+portscanbepopulatedwithopticalQSFP+modulesorDACs
,including
somethatacceptSFP+orSFPmodules.

© Copyright Lenovo 2017 Chapter 1: The CN4093 10 Gb Converged Scalable Switch 11
Inadditiontoportflexibility,youcanmanageandconfiguretheCN4093through
thefollowinginterfaces:
ASecureShell(SSH)version2orTelnetconnectiontotheembedded
Command‐LineInterface(CLI)
Aterminalemulationprogramconnectiontotheserialportinterface
AnetworkmanagementapplicationusingSimpleNetworkManagement
Protocol(SNMP)
AWebbrowser‐basedinterface(HTTPS/HTTP)connectiontotheswitch

12 CN4093 Installation Guide
Documentation
About this Installation Guide
ThisInstallationGuideprovidesinformationandinstructionsforinstallingthe
CN4093,updatingthefirmware,andsolvingproblems.Forotherinformation
aboutconfigurationandmanagementoftheswitch,refertothedocuments
describedin“RelatedDocumentation”onpage 13.
Note:
Theillustrationsinthisdocumentmightdifferslightlyfromyourhardwareand
mightnotdepictallincludedlabels.
Theconsoleoutputdescribedorreferencedinthisdocumentmightdiffer
slightlyfromthatdisplayedbyyoursystem.Outputvariesaccordingtothetype
ofLenovochassisandthefirmwareversionsandoptionsthatareinstalled.
Notices and Statements in this Document
Thecautionanddangerstatementsinthisdocumentarealsointhemultilingual
SafetyInformationdocument,whichislocatedatLenovoSystemx,ThinkServerand
Storageproductdocumentation.Eachstatementisnumberedforreferencetothe
correspondingstatementintheSafetyInformationdocument.
Thefollowingnoticesandstatementsareusedinthisdocument:
Note:Thesenoticesprovideimportanttips,guidance,oradvice.
Important:Thesenoticesprovideinformationoradvicethatmighthelpyou
avoidinconvenientorproblemsituations.
Attention:Thesenoticesindicatepotentialdamagetoprograms,devices,or
data.Anattentionnoticeisplacedjustbeforetheinstructionorsituationin
whichdamagecouldoccur.
Caution:Thesestatementsindicatesituationsthatcanbepotentiallyhazardous
toyou.Acautionstatementisplacedjustbeforethedescriptionofapotentially
hazardousproceduresteporsituation.
Danger:Thesestatementsindicatesituationsthatcanbepotentiallylethalor
extremelyhazardoustoyou.Adangerstatementisplacedjustbeforethe
descriptionofapotentiallylethalorextremelyhazardousprocedurestepor
situation.

© Copyright Lenovo 2017 Chapter 1: The CN4093 10 Gb Converged Scalable Switch 13
Related Documentation
AdditionalorupdatedproductdocumentsmaybeavailablefromtheLenovo
website.Suchdocumentsmaycoverfeaturesnotdescribedintheoriginal
documentationthatcomeswiththeswitch,ormayincludetechnicalupdatesor
corrections.
Youcanobtainup‐to‐dateinformationontheLenovosupportwebsite:
http://support.lenovo.com/
Note: ChangesaremadeperiodicallytotheLenovowebsite.Proceduresfor
locatingfirmwareanddocumentationmightvaryslightlyfromwhatisdescribed
inthisdocument.
Forinformationaboutswitchhardwareandfirmwarefeatures,specifications,and
standards,includingtheirconfiguration,seetheApplicationGuideforyourspecific
switchanditsinstalledfirmware.
Forinformationabouttheswitchinformation,statistics,andindividual
configurationparameters,seetheCommandReferenceforyourspecificswitchand
itsinstalledfirmware.
SeethedocumentationthatcamewithyourLenovochassisforinformationabout
theenvironmentalconditionsandspecificationsthataresupportedbythesystem.

14 CN4093 Installation Guide

© Copyright Lenovo 2017 15
Chapter 2. Installing and Removing the CN4093
ThischapterprovidesinstructionsforinstallingandremovingtheCN4093inthe
LenovoFlexSystemchassis.SeethedocumentationforyourLenovoFlexSystem
chassisforinformationaboutI/Obaylocationsandthecomponentsthatcanbe
installedinthemthatisspecifictoyourLenovoFlexSystemchassistype.
ThefollowingillustrationshowsanexampleofaLenovoFlexSystemchassis
(rear‐view)withtheI/Obaysidentified.
Figure 2. FlexSystemchassisI/Obays.
ALenovoFlexSystemnetworkadaptermustbeinstalledineachcomputenode
withwhichyouwanttocommunicate.Toenabletheswitchtocommunicatewitha
computenode,atleastoneswitchmustbeinstalledintheLenovoFlexSystem
chassis.Fordetailsaboutnetworkadapterinstallation,configuration,anduse,see
thedocumentationthatcomeswiththeLenovoFlexSystemnetworkadapter.
Installingasecondswitchenablesaredundantpathandaseparateconnection
fromthecomputenodetotheexternalEthernetnetwork.
TheLenovoFlexSystemchassissupportsamaximumoffourCN4093modules.
TheLenovoFlexSystemchassissupportsamaximumoftwenty‐eightnetwork
adapters.
I/O Module
Bay 1
I/O Module
Bay 3
I/O Module
Bay 2
I/O Module
Bay 4

16 CN4093 Installation Guide
Note:
I/Obays1and2supportanystandard Lenovo FlexSystemswitchorpass‐thru
module.WhenyouinstallanI/Onetworkadapterintheleft‐mostfabric
connectoronthecomputenode,theseI/Obayssupportanyswitchwiththe
sametypeofnetworkinterfacethatisusedbythecorrespondingnetwork
adapter.
I/Obays3and4supportanystandard Lenovo FlexSystemswitchorpass‐thru
module.WhenyouinstallanI/Onetworkadapterintheright‐mostfabric
connectoronthecomputenode,theseI/Obayssupportanyswitchwiththe
sametypeofnetworkinterfacethatisusedbythecorrespondingnetwork
adapter.
Thecomputenodesor Lenovo FlexSystemchassisthataredescribedorshown
inthisdocumentmightbedifferentfromyourcomputenodeor
Lenovo Flex
Systemchassis.Foradditionalinformation,seethedocumentationthatcomes
withyour
Lenovo FlexSystemchassis.
Whentheswitchisinstalledina Lenovo FlexSystemchassis,theinternalports
operateat1Gigabitspersecond(Gbps)or10Gbps.Theexternalportscan
operateat1Gbps,4Gbps,8Gbps,10Gbps,or40Gbps,dependingontheport
typeandinstalledtransceivermodules.

© Copyright Lenovo 2017 Chapter 2: Installing and Removing the CN4093 17
Before Installing the CN4093
Attention: ProductinformationisrequiredinordertoregisteryourCN4093,
updateitsfirmware,placeaservicecall,orreplacetheunit.
SomeoftheproductinformationlabelsmaybehiddenfromviewoncetheCN4093
isinstalled.Topreventtheneedtoremovetheswitchinordertoreadrequired
productinformation,locateandrecordtheinformationshownonTable 1on
page 18priortoinstallation.
Anexampleoftheproductinformationlabelsisshownasfollows:
Figure 3. Sampleproductlabelsfromtheswitch
Note: Theseexamplesaretohelplocateandidentifytheinformationlabels.The
actuallabelsandinformationforyourspecificswitchmaydiffer.
TheidentificationlabelsontheCN4093containtheserialnumberandpartnumber
oftheswitch.TheselabelsalsoincludetheMediaAccessControl(MAC)address
(ontheuppermosthandle)oftheswitch.Thoughhelpful,theMACaddressisnot
requiredforopeningaservicecall.

18 CN4093 Installation Guide
Printthispageandrecordproductinformationbelow.Keeptheinformationina
safeplaceforfuturereference.Youwillneedthisinformationwhenyouregister
theswitchoropenaservicecallwithLenovo.
Forconvenience,oncetheCN4093isinstalledandinitialized,youcanusethe
show sys-infocommandintheswitchfirmwareinterfacetodisplaytheproduct
serialnumberandotherrequiredinformation.
Installation Guidelines
BeforeyouinstalltheswitchintheLenovoFlexSystemchassis,readthefollowing
information:
Readthesafetyinformationthatbeginsonpage 5,“HandlingStatic‐Sensitive
Devices”onpage 19,andthesafetystatementsinthe
Lenovo FlexSystem
chassisdocumentation.Thisinformationprovidesasafeworkingenvironment.
Observegoodhousekeepingintheareawhereyouareworking.Placeremoved
coversandotherpartsinasafeplace.
Blueonacomponentindicatestouchpoints,whereyoucangripthecomponent
toremoveitfromorinstallitinthecomputenodeor
Lenovo FlexSystem
chassis,openorclosealatch,andsoon.
Orangeonacomponentoranorangelabelonornearacomponentonthe
switch,computenode,or
Lenovo FlexSystemchassisindicatesthatthe
componentcanbehot‐swapped,whichmeansthatifthe
Lenovo FlexSystem
chassisandoperatingsystemsupporthot‐swapcapability,youcanremoveor
installthecomponentwhilethe
Lenovo FlexSystemchassisisrunning.(Orange
canalsoindicatetouchpointsonhot‐swapcomponents.)Seetheinstructionsfor
removingorinstallingaspecifichot‐swapcomponentforanyadditional
proceduresthatyoumighthavetoperformbeforeyouremoveorinstallthe
component.
Youdonothavetoturnoffthe Lenovo FlexSystemchassistoinstallorreplace
anyofthehot‐swapmodulesonthefrontorrearofthe
Lenovo FlexSystem
chassis.
Whenyouinstalltheswitchinthe Lenovo FlexSystemchassis,youmustalso
installacompatibleI/Onetworkadapterinthecomputenodetosupportthe
switch.
Whenyouarefinishedworkingonthecomputenodeor Lenovo FlexSystem
chassis,reinstallallsafetyshields,guards,labels,andgroundwires.
Table 1. Importantproductinformation
Product Name Lenovo Flex System Fabric CN4093 10 Gb
Converged Scalable Switch
SerialNumber
PartNumber
MediaAccessControl
(MAC)addressforswitch
MACaddressesforother
components

© Copyright Lenovo 2017 Chapter 2: Installing and Removing the CN4093 19
System Reliability Guidelines
Tohelpensurepropercooling,performance,andsystemreliability,makesurethat
thefollowingrequirementsaremet:
Eachofthebaysontherearofthe Lenovo FlexSystemchassiscontainseithera
moduleorafillermodule.
Aremovedhot‐swapmoduleisreplacedwithanidenticalmoduleorfiller
modulewithinoneminuteofremoval.
Aremovedhot‐swapcomputenodeisreplacedwithanothercomputenodeor
fillernodewithinoneminuteofremoval.
Theventilationareasonthesidesofthecomputenodearenotblocked.
Youhavefollowedthereliabilityguidelinesinthedocumentationthatcomes
withthe
Lenovo FlexSystemchassis.
Handling Static-Sensitive Devices
Attention: Staticelectricitycandamagetheswitchandotherelectronicdevices.To
avoiddamage,keepstatic‐sensitivedevicesintheirstatic‐protectivepackagesuntil
youarereadytoinstallthem.
Toreducethepossibilityofelectrostaticdischarge,observethefollowing
precautions:
Limityourmovement.Movementcancausestaticelectricitytobuilduparound
you.
Theuseofagroundingsystemisrecommended.Forexample,wearan
electrostatic‐dischargewriststrap,ifoneisavailable.
Handlethedevicecarefully,holdingitbyitsedgesoritsframe.
Donottouchsolderjoints,pins,orexposedprintedcircuitry.
Donotleavethedevicewhereotherscanhandleanddamageit.
Whilethedeviceisstillinitsstatic‐protectivepackage,touchittoanunpainted
metalpartofanyunpaintedmetalsurfaceonagroundedrackcomponentinthe
rackinwhichyouareinstallingthedevice,foratleasttwoseconds.Thisdrains
staticelectricityfromthepackageandfromyourbody.
Removethedevicefromitspackageandinstallitdirectlyintotheswitch
withoutsettingitdown.Ifitisnecessarytosetdownthedevice,putitbackinto
itsstatic‐protectivepackage.Donotplacethedeviceonaswitchcoverorona
metalsurface.
Takeadditionalcarewhenyouhandledevicesduringcoldweather.Heating
reducesindoorhumidityandincreasesstaticelectricity.
Sometypesof Lenovo FlexSystemchassiscomewithelectrostaticdischarge
(ESD)connectors.IfyourunitisequippedwithanESDconnector,seethe
documentationthatcomeswiththe
Lenovo FlexSystemchassisforusingthe
ESDconnector.

20 CN4093 Installation Guide
Installing the CN4093
Note: Thefollowingillustrationshowshowtoinstalltheswitchina Lenovo Flex
Systemchassis.Theappearanceofyour
Lenovo FlexSystemchassismightbe
different;seethedocumentationforyour
Lenovo FlexSystemchassisfor
additionalinformation.
UsethefollowinginstructionstoinstalltheswitchintheLenovoFlexSystem
chassis.YoucaninstalltheswitchwhiletheLenovoFlexSystemchassisispowered
on.Forredundancysupport,youmustinstallI/OmodulesofthesametypeinI/O
bays 1and 2,andI/Omodulesofthesametypeinbays 3and 4ofthechassis.
Toinstalltheswitch,completethefollowingsteps.
1. Readthesafetyinformationthatbeginsonpage 5and“InstallationGuidelines”on
page 18.
2. SelectI/Obayinwhichtoinstalltheswitch.
Note: FordetailsaboutI/Obayrequirementsandbaylocations,seethe
documentationforthe
Lenovo FlexSystemchassis.
3. Removethefillermodulefromtheselectedbay.Storethefillermoduleforfuture
use.
4. Ifyouhavenotalreadydoneso,touchthestatic‐protectivepackagethatcontains
theswitchtoanunpaintedmetalsurfaceofthe
Lenovo FlexSystemchassisoran
unpaintedmetalsurfaceonanyothergroundedrack‐componentforatleast2
seconds.
5. Removetheswitchfromitsstatic‐protectivepackage.
6. Makesurethatthereleaseleversontheswitchareintheopenposition
(perpendiculartotheswitch).
7. SlidetheswitchintotheapplicableI/Obayuntilitstops.