Lenovo System x3500 M4 - Page 36

•Serialconnector:Connecta9-pinserialdevicetothisconnector.Theserialportissharedwiththe
IntegratedManagementModuleII(IMM2).TheIMM2cantakecontrolofthesharedserialporttoredirect
serialtraffic,usingSerialoverLAN(SOL).
•USBconnectors:ConnectaUSBdevice,suchasaUSBmouseorkeyboardtoanyoftheseconnectors.
•Systems-managementEthernetconnector:Usethisconnectortoconnecttheservertoanetworkfor
fullsystems-managementinformationcontrol.ThisconnectorisusedonlybytheIntegratedManagement
ModuleII(IMM2).Adedicatedmanagementnetworkprovidesadditionalsecuritybyphysicallyseparating
themanagementnetworktrafficfromtheproductionnetwork.YoucanusetheSetuputilitytoconfigure
theservertouseadedicatedsystemsmanagementnetworkorasharednetwork.
•Ethernetconnectors:Useeitheroftheseconnectorstoconnecttheservertoanetwork.Whenyou
enablesharedEthernetforIMM2intheSetuputility,youcanaccesstheIMM2usingeithertheEthernet1
orthesystem-managementEthernetconnector.
ThefollowingillustrationshowstheLEDsontherearoftheserver.
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AC power
(Green)
DC power
(Green)
Error
(Amber)
Ethernet activity LED
Ethernet link LED
Figure7.TheLEDsontherearoftheserver
•EthernetactivityLEDs:WhentheseLEDsarelit,theyindicatethattheserveristransmittingtoor
receivingsignalsfromtheEthernetLANthatisconnectedtotheEthernetport.
•EthernetlinkLEDs:WhentheseLEDsarelit,theyindicatethatthereisanactivelinkconnectionon
theEthernetport.
•ACpowerLED:Eachhot-swappowersupplyhasanacpowerLED.WhentheacpowerLEDislit,it
indicatesthatsufficientpoweriscomingintothepowersupplythroughthepowercord.Duringtypical
operation,theacpowerLEDislit.
•DCpowerLED:Eachhot-swappowersupplyhasadcpowerLEDandanacpowerLED.Whenthedc
powerLEDislit,itindicatesthatthepowersupplyissupplyingadequatedcpowertothesystem.During
typicaloperation,boththeacanddcpowerLEDsarelit.
•Power-supplyerrorLED:Whenthepower-supplyerrorLEDislit,itindicatesthatthepowersupply
hasfailed.
22Systemx3500M4InstallationandServiceGuide