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Matrix X4-C Chassis Installation Guide 1-7
X4-C Redundant Power Supplies
TheMatrixX4‐Cchassissupportsuptothreepowersuppliesthatinstallonthebottomofthe
chassis,inslotslabeledPS1throughPS3.Whilethechassiscanoperatewithfewerthanthree
powersuppliesinstalleddependinguponthenumberofinstalledIOMs,FMs,andCMs,
additionalpowersuppliesprovide
redundancyandloadsharing.
Eachpowersupply(X‐AC)requiresadedicated100‐240Vac,20Ampearth‐groundedcircuit.
Powercordsshippedwiththisunitarecountry‐dependent.Eachpowercordmustbeplugged
intoanindependentpowercircuit.
Eachpowersupplyhasitsowncoolingfans.
Thepowersuppliesare
capableofloadsharing(+/‐5%)theMatrixX4‐Cchassispowerload.Ifone
powersupplyfails,theotherpowersuppliessupportaminimallyloadedchassis(1IOM,1FM,
and1CM)withoutinterruptiontonetworktraffic.Referto“SiteGuidelines”onpage 2‐1and
“PowerSupplyRequirements,
Specifications,andTwistLockOptions”onpage A‐2forpower
outletrequirements.
Asanoption,youcanpurchasetwistlockpowercordswhichsecurelyattachtherearpowerinlets
tothepoweroutlets.RefertoTable A‐6onpage A‐3toselectthecorrectreceptacletyperequired
toutilizethis
cordforyourchassis.
Power Supply LEDs
EachpowersupplycomesequippedwithtwoLEDsforat‐a‐glancediagnosticsthatindicate
individualACandDCpowersupplystatus.Referto“PowerSupplyLEDs”onpage 3‐38,for
moreinformation.
Auto-Ranging Power Supplies
TheMatrixX4‐Cchassispowersuppliesautomaticallyadjusttotheinputvoltageandfrequency,
whichallowsforaninputvoltageof100to240 Vac,andafrequencybetween50and60 Hz.See
theoperatingspecificationsinApp endix A,SpecificationsandRegula toryCompliance.No
additionaladjustmentsarenecessary.Forinstallationsin
NorthAmerica,a20Amppowercordis
required.See“PoweringUptheMatrixX4‐CChassis”onpage 3‐37formoredetails.
Power Supply Replacement
Tolimitnetworkdowntime,apowersupplymayberemovedafterithasbeenpowereddown
withoutpoweringdownthechassis.Whenmorethanonepowersupplyisinstalled,thisallows
youtoremoveonepowersupplywithoutinterruptingnetworktraffic.
X4-C Cooling System
TheX4‐Cfeaturestwo(X‐FAN)removablefantraysaccessiblefromthefrontoftheunit.These
four‐fanunitsarehotswappable,sotheycanbereplacedwithoutpoweringdownthechassis.
EachfantrayhasoneLEDlocatedonthefrontoftheunit,indicatingitsstatus(normal/fault/off).
Referto“FanTrayLED”onpage 3‐39forafulldescriptionofthefantrayLEDstates.
OntheX4‐C,thefanspushcoolingairthroughthechassisandmodules,fromrighttoleft,
exhaustingouttheothersideofthechassis.