Step4.Attachthedcpowercabletothenewpowersupply.
Figure172.DCpowersupplyrearview
Step5.Ifyouareinstallingahot-swappowersupplyintoanemptybay,removethepower-supplyfiller
fromthepower-supplybay.
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Figure173.Powersupplyinstallation
Step6.Graspthehandleontherearofthepowersupplyandslidethepowersupplyforwardintothe
power-supplybayuntilitclicks.Makesurethatthepowersupplyconnectsfirmlyintothe
power-supplyconnector.
Step7.Routethepowercordthroughthehandleandcabletieifany,sothatitdoesnotaccidentally
becomeunplugged.
Step8.Connecttheotherendsofthedcpowercabletothedcpowersource.Cutthewirestothe
correctlength,butdonotcutthemshorterthan150mm(6inch).Ifthepowersourcerequires
ringterminals,youmustuseacrimpingtooltoinstalltheringterminalstothepowercordwires.
TheringterminalsmustbeULapprovedandmustaccommodatethewiresthataredescribedin
“Regulations”onpage255
.Theminimumnominalthreaddiameterofapillarorstudtypeof
terminalmustbe4mm;forascrewtypeofterminalthediametermustbe5.0mm.
258Systemx3550M4InstallationandServiceGuide
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