Lenovo System x3550 M4 - Page 30

Figure7.Advancedoperatorinformationpanel
Figure8.Operatorinformationpanel
•Power-controlbuttonandpower-onLED:Pressthisbuttontoturntheserveronandoffmanually.
Thestatesofthepower-onLEDareasfollows:
Off:Powerisnotpresentorthepowersupply,ortheLEDitselfhasfailed.
Flashingrapidly(4timespersecond):Theserveristurnedoffandisnotreadytobeturnedon.The
power-controlbuttonisdisabled.Thiswilllastapproximately5to10seconds.
Flashingslowly(oncepersecond):Theserveristurnedoffandisreadytobeturnedon.Youcan
pressthepower-controlbuttontoturnontheserver.
Lit:Theserveristurnedon.
•EthernetactivityLEDs:WhenanyoftheseLEDsislit,theyindicatethattheserveristransmittingto
orreceivingsignalsfromtheEthernetLANthatisconnectedtotheEthernetportthatcorresponds
tothatLED.
•System-locatorbutton/LED:UsethisblueLEDtovisuallylocatetheserveramongotherservers.A
system-locatorLEDisalsoontherearoftheserver.ThisLEDisusedasapresencedetectionbuttonas
well.YoucanuseSystemsDirectororIMMwebinterfacetolightthisLEDremotely.ThisLEDiscontrolled
bytheIMM.Thelocatorbuttonispressedtovisuallylocatetheserveramongtheothersservers.
•ChecklogLED:WhenthisyellowLEDislit,itindicatesthatasystemerrorhasoccurred.Checkthe
eventlogforadditionalinformation.See“Eventlogs”onpage133
formoreinformationabouteventlogs.
•System-errorLED:WhenthisyellowLEDislit,itindicatesthatasystemerrorhasoccurred.A
system-errorLEDisalsoontherearoftheserver.AnLEDonthelightpathdiagnosticspanelon
theoperatorinformationpaneloronthesystemboardisalsolittohelpisolatetheerror.ThisLEDis
controlledbytheIMM.
Notes:
1.Dependingonthetypeofoperatorinformationpanelinstalledinyourserver,theResetbuttonison
theoperatorinformationpanelorthelightpathdiagnosticspanel.
16Systemx3550M4InstallationandServiceGuide