2.Prepareyourserver.See“Removingorextendingtheserverfromtherackcabinet”onpage61.
3.Removealltheinstalledhot-swapharddiskdrivesanddummytrays(ifany)fromtherear
backplane/cagekit.See“Installingorreplacingahot-swapharddiskdrive”onpage123.
4.Recordthecableroutingandcableconnectionsandthendisconnectcablesfromtherearbackplane.
5.Removetherearbackplane/cagekit.See“Removingtherearbackplane/cagekit”onpage100.
6.Removethetwoscrewsthatsecurethebackplanetothecage.Then,liftthebackplanefromthecage.
Figure70.Removingtherearbackplane
7.Touchthestatic-protectivepackagethatcontainsthenewrearbackplanetoanyunpaintedsurfaceon
theoutsideoftheserver.Then,removethenewbackplanefromthepackage.
Note:Carefullyhandlethebackplanebyitsedges.
8.Notetheorientationofthenewbackplane.Alignthescrewholesinthenewbackplanewiththe
correspondingonesinthecage.Then,installthetwoscrewstosecurethebackplane.
Figure71.Installingtherearbackplane
9.Installtherearbackplane/cagekittothechassis.See“Installingtherearbackplane/cagekit”onpage98.
102ThinkServerRD550UserGuideandHardwareMaintenanceManual