Lenovo System x3550 M4 - Page 82

•Thesepowersuppliesaredesignedforparalleloperation.Intheeventofapower-supplyfailure,the
redundantpowersupplycontinuestopowerthesystem.Theserversupportsamaximumoftwo
powersupplies.
Statement5
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
1
2
Statement8
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel
attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith
oneoftheseparts,contactaservicetechnician.
Toinstallahot-swapacpowersupply,completethefollowingsteps:
Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”
onpage31
.
Step2.Touchthestatic-protectivepackagethatcontainsthehot-swappowersupplytoanyunpainted
metalsurfaceontheserver;then,removethepowersupplyfromthepackageandplaceiton
astatic-protectivesurface.
68Systemx3550M4InstallationandServiceGuide