Enterasys Networks G3G124-24 Manuel d'utilisateur Page 29

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Installing and Removing a Power Supply
Enterasys G-Series Hardware Installation Guide 2-7
Power Supply Addition or IOM Removal
WhenapowersupplyisaddedoranIOMmoduleisremoved,theG3respondstotheincreasein
availablepowerby:
1. Detectingthepowersupplyadditionandrecalculatingavailablepower(addingcapacityof
thenewpowersupplyoraccountingforlessloadwithremovalofanIOMmodule).
2. Subtractingthepower
capacityforitsbasesystemandallinstalledmodulesfromavailable
power.
3. DistributingremainingpowerequallyacrossinstalledPoEcontrollersbyreprogramming
maximumpowerineachcontroller.
Installing a Power Supply
Powersuppliesareinstalledineitherofthetwoslotslocatedatthebackofthechassis,asshown
inFigure 2 2.Ifyouintendtoinstallonlyasinglepowersupply,itcanbeinstalledineitherofthe
slots,althoughthePWR1slotisleftopenforyour
convenience.
ToinstalloneorbothpowersuppliesintheGSeriesswitch,refertothefollowingfiguresand
proceedasfollows:
1. Withanantistaticwriststrapattachedtoyourwrist,unpackthepowersupplybyremovingit
fromitsshippingboxandstrippingthepackingmaterial.(Savetheshippingboxand
materialsintheeventtheunitmustbereshipped.)
2. Removethepowersupplyfromitsprotectivewrapping.
3. Examinethepowersupplycarefully,checkingfordamage.Ifanydamageisnoted,donot
installthepowersupply.ContactEnterasys Networksforinstructions.
4. Ifnecessary,removethecoverplatefromitsslotbylooseningitscaptive
screws.Retainthe
coverplateforfutureuse.
5. Holdingthepowersupplybyitshandle,positionitwiththeACinlettotheleftandalignit
withtheslotopening.
6. Withthepowersupplyproperlyinsertedintotheopening,carefullyslidethemoduleuntilit
connectstothebackplane,asshown
inFigure 22.Themodule’shandleshouldbenearly
flushwiththebackoftheGSeriesswitch.Ifsignificantresistanceisencounteredbeforethe
powersupplyisseated,removeandreinsertit.Donotforcethemoduleintoplace.
Caution: Forcing a misaligned power supply into place can damage the power supply or chassis
backplane.
Precaución: Colocar de manera forzada una fuente de poder o no colocarla bien alineada podría
dañarla y/o maltratar el panel posterior del chasis.
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