Cisco Systems 3602i User manual

Category
Networking
Type
User manual
CiscoSystemsEDCS1130881
Copyright©2012CiscoSystems,Inc.Allrightsreserved.
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CiscoAironet1600/2600/3600
SeriesAccessPointDeployment
Guide
ABSTRACT:Thisdocumentcoversthetheoryofoperationandinsta llationforCisco2600and3600Series
AccessPoints(APs),aspart ofaCiscowirelessLAN(WLAN)solution.Subjectsinclude:
AP1600,2600,and3600
DifferencesbetweentheAP3600andtheAP3500
Differencesbetween
theAP3600andtheAP2600
IntroductionoftheAP1600andAPfeaturecomparison
Hardwaredetails,mountingoptions,bracketchoices,andinstallationconsiderations
Antennaoptions,radiationpatterns,andexternalantennadeployments
SpatialstreamsandMCSrates
ClientLink2.0andBringYourOwnDevice(BYOD)
Sitesurveyconsiderations
Inappropriateinstallations,Q&As,andusefulURLs
This document is intended for trained and experie nced technical personnel familiar with the existing
CiscoWirelessNetworkingGroup(WNG)productlineandfeatures.
CiscoAironetAccessPointDeploymentGuide
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RevisionHistory
DocumentNumber: EDCS1188900(replacesEDCS1130881)
DocumentAuthor: FrederickNiehaus(fredn)
Author'sOrganization: WNG(WNBU)TME
DocumentDate/Version: 12/12/12version3.0
CiscoAironetAccessPointDeploymentGuide
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TableofContents
RevisionHistory.......................................................................................................................2
TableofContents....................................................................................................................3
CiscoAironetSeriesAccessPoints...........................................................................................4
InternalandExternalAntennas................................................................................................................4
3600Series...............................................................................................................................................6
FeatureModulesforthe3600Series....................................................................................6
Comparisonofthe3600and3500Series.................................................................................................7
Comparisonofthe3600and2600Series.................................................................................................9
Introductiontothe1600Series..............................................................................................................11
KeyFeatures.......................................................................................................................11
CiscoCleanAirExpress
........................................................................................................11
ComparisonofIndoorAccessPoints......................................................................................................12
HardwareandMountingOptions..........................................................................................13
BracketsandClips...................................................................................................................................13
ChannelRailAdapters............................................................................................................................14
InstallationinCeilingTiles......................................................................................................................15
InstallationonWalls...............................................................................................................................16
Color.......................................................................................................................................................17
UniqueInstallations..............................................................................................................18
CleanRooms...........................................................................................................................................18
AboveCeilingTiles..................................................................................................................................19
StadiumandHarshEnvironments..........................................................................................................20
AreaswithHighVibration.......................................................................................................................21
WarehouseandFactory.........................................................................................................................22
EthernetCableRecommendation.......................................................................................24
AntennaCableRecommendation........................................................................................24
AccessPointSpacingRecommendations.............................................................................25
IDFClosets(TelecommunicationsorOtherElectricalEquipment)
........................................................25
VeryHighAltitudes.................................................................................................................................25
CommonorDistributedAntennaSystem(DAS).....................................................................................26
Elevators.................................................................................................................................................26
ExternalAntennaOptionsandPatterns.................................................................................27
AP1600/2600andAP3600e..................................................................................................................27
AP3600i,AP2600i,andAP1600i...........................................................................................................32
ExternalAntennaDeployments.............................................................................................35
802.11n,SpatialStreams,andBeamforming.........................................................................38
ClientsThatSupportThreeSpatialStreams...........................................................................................41
BeamforminginClientLink1.0and2.0..................................................................................................42
SiteSurveyConsiderations....................................................................................................44
GeneralGuidelines................................................................................................................46
ExamplesofImproperInstallations.......................................................................................48
QuestionsandAnswers.........................................................................................................51
UsefulURLs...........................................................................................................................52
CiscoAironetAccessPointDeploymentGuide
CiscoSystems
Copyright©2012CiscoSystems,Inc.Allrightsreserved.
Page4of52
CiscoAironetSeriesAccessPoints
CiscoAironet3600,2600,1600,and600SeriesAccessPoints(APs)providehighlysecureandreliable
wirelessconnectionsforbothindoorandoutdoorenvironments.Figure1illustratestheprod uct
portfolio,whichrangesfromtheentrylevel600Seriesforbasicconnectivitytothe3600Seriesforbest
inclassperformance.
Figure1:AccessPointPortfolioPlacement
InternalandExternalAntennas
The 3600, 2600, and 1600 Series offer models with internal or external antennas. Figures 2, 3, and 4
describetheinternalandexternalantennamodelsforeachseries.
APswithinternalantennashavean“i”(forexample,AP3600i)inthemod elnumber.Theyhave
captured antennas, which are
part of the housing and not removable, and are designed for
indoorenterpriseinstallationswhereofficeaestheticsareaprimaryconcern.
APswithexternalantennashavean“e” (forexample,AP3600e)inthemodelnumber.Theyare
more rugged and are designed for industrial use in locations such
as hospitals, factories,
warehouses, and other locations where there is a need for external antennas or extended
operating temperatures. The external antenna models also support mounting inside NEMA
enclosuresforuseinthemostdemandingenvironments.
CiscoAironetAccessPointDeploymentGuide
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Figure2:AP3600ModelsandEcoPacks
Figure3:AP2600ModelsandEcoPacks
CiscoAironetAccessPointDeploymentGuide
CiscoSystems
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Page6of52
Figure4:AP1600ModelsandEcoPacks
3600Series
TheCisco3600SeriesAccessPoint(AP3600)targetscustomerswhorequiresupportformissioncritical
applications.TheAP3600embodiesClientLink2.0,aninnovativeantennatechnologycomprisingfour
transmitradiosandfourreceiveradioscalled4X4MultipleInputMultipleOutput(MIMO)andthree
spatialstream(3SS)beamforming,togetherreferenced
as4x4:3.ClientLink2.0permitsspeedsupto450
MbpsviaadditionalModulationandCodingScheme(MCS)datara tes1623,whilestill maintainingIEEE
802.3af(15.4Watt)PoweroverEthernet(PoE)compliance.Seethesectionon"802.11n,Spatial
Streams,andBeamforming"formoreonspatialstreams.
FeatureModulesforthe3600Series
TheWSSI(WirelessSecurityandSpreadSpectrumIntelligence)moduleaddsnewfunctionaltytotheAP
3600toprotectcustomerinvestment.Thisoptional,addonmoduleprovidesadedicatedmonitorradio
to scan the full spectrum, not just the channel on which the AP operates. It offloads complete
monitoringandsecurity
servicestothemonitormodule,includingCleanAir,WIDS/WIPS,ContextAware
Location, Rogue Detection, and Radio Resource Management (RRM). The WSSI module allows for full
spectrum analysis on all chann els on both the 2.4 and 5 GHz bands. It avoids the need to deploy a
separate,dedicatedoverlaynetworkforfullspectrum
monitoringandeliminatesthe needfor anextra
cablepullandadditionalinfrastructurecosts.
The second available module provides 802.11ac (wave1) functionality to the AP 3600. This radio
moduleoperatesat5GHzandallowstheAP3600tofullysupport802.11a/nalongwith802.11acclients.
(Wave1)functionalitysupports
a1.3GbpsPHY/~1GbpsMAC(throughput)usingthreespatialstreams,
80 MHz, 256 QAM. It also supports Explicit Beamforming per the 802.11ac standard. Use of the radio
CiscoAironetAccessPointDeploymentGuide
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modulemayrequirealocalpowersupply,Ciscopowerinjector,.3atPoE+,oruseoftheCisco Enhanced
PoEbecausethemodulemaydrawpowergreater than15.4W.
Note:CiscoEnhancedPoEwascreatedbyCiscoandistheforerunnerto802.3atPoE+.
Featuremodulesslideintothebottom
ofAP3600,asshowninFigure5.
Figure5:BackViewoftheAP3600withFeatureModule
Comparisonofthe3600and3500Series
The AP 3600i (internal antenna model) and the Cisco 3500 Series Access Point (AP 3500) are almost
identicalinphysicalappearance.Toeasilydistinguishthem,notethattheLEDfortheAP3500issquare,
whiletheAP3600ihasanLEDthatisslightlylargerandmoreoval.(See
Figure6.)
CiscoAironetAccessPointDeploymentGuide
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Copyright©2012CiscoSystems,Inc.Allrightsreserved.
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Figure6:LEDAppearanceintheAP3600iandtheAP3500
Fromasideview,theAP3600iisslightlythicker(2.11”)thantheAP3500(1.84”),asshowninFigure7.
The thicker size allows for additional radio support and printed circuit board area, as well as
feature
modules for future capabilities. While the AP 3600i has a little more depth, it is completely backward
compatible with the mounting brackets for the existing Cisco Aironet 1040 Series Access Point (AP
1040),1140SeriesAccessPoint(AP1140),1260SeriesAccessPoint(AP1260),andtheAP3500.
Figure7:SideViewoftheAP 3600iandtheAP3500
The external antenna models (the AP 3600e and the AP 3500e) differ in appearance because the AP
3600ehasfewerantennaconnectorports,primarilyduetothedualbandantennasystem.
The AP 3600e has combined all the
antenna ports (dualband ) so that each antennaport can transmit
simultaneously oneachband; if the antennaportswerenot combined, this wouldhaverequiredeight
antennas. The AP 3600 has four transceivers (transmitter/receiver) radio ports per band for a total of
eighttransceivers,fourineachband.Thisadditional
radioperbandpermitsbeamformingto3SSclients
usingClientLink2.0toimprovethe overallperformanceofall802.11nclientswithone, two,and three
spatialstreams.
CiscoAironetAccessPointDeploymentGuide
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Note:Beamformingtoa3SSclientrequiresn+1radiofrequency(RF)design.Toaccomplishthis,
theAP3600hasanadditionalradio perband,whichimprovesclientperformancebyusingCisco
ClientLink2.0.
The AP 3500e has separate antennas for each band, 2.4 GHz and 5 GHz, and does
not support 3SS
technology, since it has only two transceivers (transmitter/receiver) and one extra receiver per band
enablingoperationuptotwospatialstreams.
Unlike the AP 3500, the newer AP 3600 design supports an optional, addon feature module. The
bottomoftheAP3600hasopeningstosupport
thefeaturemodule,asshowninFigure8.Theopenings,
while fully sealed, permit the module to have access to the top of the AP, which allows the module
antennas (if present) to fully function. The unit includes a positive snap “spring loaded BB” so the
installercanfeelapositive
lockwhentheAPisfullyengagedin thebracket.
Figure8:BottomViewoftheAP3600withSupportforaFeatureModule
Comparisonofthe3600and2600Series
The AP 3600 has a modular design that offers future protection with optional .11ac and security
modules. The AP 2600 does not support optional modules. However,theAP 2600 does havea slightly
higherantennagaininthe2.4GHzband.
TheAP3600andtheAP2600arethesamesize,
butitiseasytoidentifyeachonebynotingwhetherthe
Ciscologohasanembossedframe(AP3600)ornot(AP2600).(SeeFigure9.)
CiscoAironetAccessPointDeploymentGuide
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Figure9:FrontViewoftheAP2600andtheAP3600
TheAP2600isa3X4:3SS,soClientLinkdoesnotbeamformto3SSclients;however,itdoesbeamformat
legacy, one, and two spatial stream rates. The AP 3600 is a 4X4:3SS, supporting an extra transmitter
chain for
additional downlink performance for all bands and clients. The AP 3600 has slightly higher
performanceandbeamforms to legacy, one, two,and three spatialstreamrates and .11acrates when
usingtheoptional.11acmodule.
Thetwoseriesusethesamemountinghardwareandantennas.SeeFigure10foraback
view.
CiscoAironetAccessPointDeploymentGuide 
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Figure10:BackViewoftheAP2600
Becauseofthesesimilarities,thereisno needto repeatasitesurveyfortheAP2600if asurveyexists
fortheAP3600.
Introductiontothe1600Series
TheCiscoAironet1600SeriesAccessPoint(AP1600),showninFigure11,isasecondgenera tion, entry
levelAP.

Figure11:AP1600
KeyFeatures
Significantfeaturesinclude:
ClientLink2.0
AddsakeyfunctionwhenupgradingfromtheAP1040/1140andtheAP1260
Supports802.11nclientsupto1SS
Supports802.11a/b/gclients
Supports(beamform)upto32clientsperradiointerface
3x3:2architecture
Betterperformance
thanthe2x2:2AP1040
BetterthroughputperformancethantheAP1140andtheAP1260
Externalantennamodelforentrylevelandmidlevelmarke t
Upto128clientsperradioforatotalof256clients
DifferentLEDcolorchangecomparedtoearlieraccess
points
CleanAirExpressBasicSpectrumAnalysisavailablesoonviasoftwareupgrade
CiscoCleanAirExpress
Cisco CleanAir Express technology is enabled on the advanced silicon design of the AP 1600. With
CleanAir Express, the AP 1600 has the ability to effectively detect RF interference,identify the source,
locate it on a map, and make autom a tic adjustments to optimize wireles s coverage. With CleanAir
Express technology, organizations
have a basic spectrum analysis capability to support their wireless
networkswhilesimplifyingongoingoperations.(SeeFigure12.)
CiscoAironetAccessPointDeploymentGuide
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Figure12:ComparisonofCleanAirFeaturesinthe1600/2600/3600Series
ComparisonofIndoorAccessPoints
Acomparisonoftheindooraccesspointsforthe3600/2600/1600/600SeriesisshowninFigure13.
Figure13:Comparisonofthe3600/2600/1600/600Series
CiscoAironetAccessPointDeploymentGuide
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HardwareandMountingOptions
TheAP1600,2600,and3600havethesamemounting optionsandsharesimilardimensions,asshown
in Figure 14. There are slight cosmetic differences; for example, there are three antennas on the AP
1600.
Figure14:MechanicalDrawingoftheAP2600andtheAP3600
BracketsandClips
There are many different installation options available depending upon the requirements of the
customer. Brackets are available from Cisco as well as thirdparty companies. When ordering, the
customer may choose either a lowprofile or a universal bracket; both are shown in Figure 15. Each
bracketisazero
dollar($0)optionatthetimeofconfiguration.
Ifthecustomerdoesnotchooseabracket,thedefaultisthelowprofileAIRAPBRACKET1,whichisthe
most popular bracket for ceiling installations. For the AP 3600, Cisco recommends using the universal
bracket,partnumberAIRAPBRACKET2.
CiscoAironetAccessPointDeploymentGuide
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Figure15:AccessPointBracketChoices
IftheAPneedstobemounteddirectlytoaceilingonthegridwork,AIRAPBRACKET1mountsflushand
hasthelowestprofile.Sincesomeceilingtilesarerecessed,twodifferentstylesofceilingclips,recessed
andflushrails,areavailable
tomountthebrackettotheceilinggridwork.(SeeFigure16).
Figure16:RecessedandFlushedCeilingGridClips
IftheAPneedstobemountedtoanelectricalbox,toanothertypeofwiringfixture,insideaNEMA
enclosureoronawall,theAIRAPBRACKET2
isabetterchoice.Theextraspaceinthebracketallows
forwiring,andtheextraholeslineupwithmanypopularelectricalboxes.
ChannelRailAdapters
WhenmountingAPstoceilingchannelrails,suchasthoseshowninFigure17,usetheoptionalchannel
adapter.TheAIRCHNLADAPTERcomesinatwopack,slidesontothechannelrails,andattachestothe
ceilinggridclipsdescribedabove.Figures18and19showthechannelrails,
channeladapter,ceilinggrid
clip,andfinishedinstallation.

CiscoAironetAccessPointDeploymentGuide
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Figure17:ChannelRails
Figure18:AIRCHNLADAPTER(left);ChannelRails(right)
Figure19:AIRCHNLADAPTERandCeilingGridClip(left);FinishedInstallation(right)
InstallationinCeilingTiles
Manyhospita lsandothercarpetedenterpriseenvironments preferamorestreamlinedlookandwishto
install the AP directly intothe tile. In this case, use the optional Cisco AIRAPBRACKET3, as shown in
Figure20.
CiscoAironetAccessPointDeploymentGuide
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Figure20:OptionalAIRAPBRACKET3forInstallationofAPsintoCeilingTiles
Usethe“beautyring”asatemplatetocutthetile.Ciscodoesnotoffercustomcuttilesbutthetilesare
easytocutwithacarpetknifeorelectrictoolsuchastheDremel™
orRotozip™rotarycuttingtool.
AmetalrailthatextendsthelengthofthetilesupportstheAPabovetheceil ing ifthetilebecomeswet
orotherwisefails.AmechanicalsetscrewpullstheAPtight totheceilingandlocksitintothebracket.
Additionally,aKensingtonstyle
lockcanbeusedforphysicalsecurityoftheAP,but,oncei nstalled,itis
difficulttoremovetheAPwithoutremovingthetilesincetheAPdoesnotslideoutfromthefrontside
ofthetile.
Note:ThisbracketfitstheAP1040,1140,1260,1600,2600,3500,
and3600.
InstallationonWalls
Wallscanbea physicalobstacletothewirelesssignalandmaycompromise360degreecoverage.Ifthe
wall is an outside wall or if the goal is to send the signal in a 180degree pattern rather than a 360
degree pattern, a directional antenna (often referred to as
a patch antenna) used with the AP 3600e
maybeabetterchoice.
Avoid wallmounting APs with internal antennas such as the AP 3600i. The internal antenna model is
designed to mount to a ceiling to provide 360degree coverage. If wallmounted in a nonhorizontal
orientation, the signal
may penetrate floors and ceilings. This causes unintended coverage and may
result in additional, needless roaming access when, for example, a user with WiFi phone walks on an
adjacentfloor.

CiscoAironetAccessPointDeploymentGuide
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Page17of52
InsteadofwallmountingAPswithinternalantennas,youcan:
UsetheAP3600ewithdipolesorpatchantennas.
Useanoptionalwallmountbracket,suchastheOberonP/N102900,thatputstheAP3600ior
theAP3500eintoahorizontalorientation.(SeeFigure21.)
UsethisOberonbracketunlessyou
haveahotspot,kiosk,orsmallvenuescenarioandroamingisnotanissue.
Figure 21: Vertical (Up/Do wn) Antennas on a WallMounted AP (Left); Oberon Wall Mount Bracket
(Center,Right)
Color
To change the color of an AP, use colored vinyl tape or purchase a colored plastic cover from Oberon
(seeFigure22).TheOberoncovercanalsobeusedtohidetheCiscologoorhidetheLED.Donotpaint
theAP,sincethatvoidsthewarranty.
CiscoAironetAccessPointDeploymentGuide
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Page18of52
Figure22:OberonSkin
UniqueInstallations
CleanRooms
Manyhospitalsand factorieshave requirementstowipedown orgentlyspraythe environmentwitha
chemical(oftendilutedmaterialthathascleaninganddisinfectantproperties).TheAP3600isidealfor
thesetypesofapplicationsbecauseitisdesignedwithapurposeguildWiFichipsetwithenterpriseand
industrial class components. This design enables the AP enclosure to have a Plenum rating and to be
ventless.(SeeFigure23.)
Figure23:AP3600IndustrialClassComponents
Note:TheAP2600ismadeofasimilarconstructionanddesig nforcleanroomdeployments
If the clean room
environment requires metal ceilings or areas where tile is not practical, a metal
enclosurefromOberoncanbeusedtoprotectandsecuretheAP.(SeeFigure24.)
CiscoAironetAccessPointDeploymentGuide
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Figure24:OberonMetalEnclosure
AboveCeilingTiles
The AP 2600 and the AP 3600 are rated for installation in the Plenum area (UL243). Many customers
prefertoinstalltheAP aboveadropceilingforaestheticreasons,sothatnothingisvisibleontheceiling.
Thistypeofinstallationmayalsobeappropriateinhightheft
areassuchasclassroomsorareaswhere
policydictatesthatnothingcanbevisibleontheceil ing.
TBar hangar accessories, such as The Erico Caddy 512a or the Cooper BLine BA50a, can be used for
suchinstallations.(SeeFigure25.)
CiscoAironetAccessPointDeploymentGuide
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Page20of52
Figure25:InstallationofanAPAboveCeilingTiles
Note:InstallAPsabovetheceilingtilesonlywhenmountingbelowtheceilingisnotanoption.
“Aboveceilingtiles”installa tionscancertainlydegradeadvancedRFfeaturessuchasvoiceand
location, so verify coverage and performance and ensure the
tiles are not conductive. Mount
theAPasclosetotheinsidemiddleofthetileaspossible,andavoidareaswithobstructionsand
clutter.(SeeFigure26.)
Figure26:PlacementofanAPInstallationAboveCeilingTiles
StadiumandHarshEnvironments
CustomersmaywishtouseaNEMAtypeenclosuretoinstallanAPinharshenvironmentswheretheAP
maybeexposedtoweather,suchassportingareas,stadiums,opengardenareasorwarehousefreezers.
ThereareseveralthirdpartysourcesforNEMAtypeenclosures.
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Cisco Systems 3602i User manual

Category
Networking
Type
User manual

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