Important:Beforeyouusetheproduct,besuretoreadthemultilingualsafetyinstructionsat:
https://support.lenovo.com/documents/LNVO-DOCS
Toinstallahot-swapdcpowersupply,completethefollowingsteps:
Attention:OnlytrainedservicepersonnelotherthanLenovoservicetechniciansareauthorizedtoinstall
andremovethe-48voltdcpowersupply,andmaketheconnectionstoanddisconnectionsfromthe-48
voltdcpowersource.Lenovoservicetechniciansarenotcertifiedorauthorizedtoinstallorremovethe
-48voltpowercable.Thecustomerisresponsibleforensuringthatonlytrainedservicepersonnelinstallor
removethe-48voltpowercable.
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”on
page116
.
Step2.Touchthestatic-protectivepackagethatcontainsthehot-swappowersupplytoanyunpainted
metalsurfaceontheserver;then,removethepowersupplyfromthepackageandplaceiton
astatic-protectivesurface.
Step3.Turnoffthecircuitbreakerforthedcpowersourcetowhichthenewpowersupplywillbe
connected.Disconnectthepowercordfromthedcpowersource.
Step4.Attachthedcpowercabletothenewpowersupply.
Power input LED
Power output LED
Power error LED
-48V
Ground-48V return
Figure125.dcpowersupplyrearview
Chapter5.Removingandreplacingcomponents207
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