Lenovo x3650 M5 - Page 36

•Serialconnector(optional):Connecta9-pinserialdevicetothisconnector.Theserialportisshared
withtheintegratedmanagementmoduleII(IMM2.1).TheIMM2.1cantakecontrolofthesharedserial
porttoredirectserialtraffic,usingSerialoverLAN(SOL).
ThefollowingillustrationshowstheLEDsontherearoftheserver.
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Ethernet
link LED
Ethernet
activity LED
AC power
LED (green)
DC power
LED (green)
Power-supply
error LED (yellow)
System power LED
System error LED
Locator batton / LED
Figure20.LEDsrearview
ThefollowingillustrationshowstheLEDsonadcpowersupply.
Power input LED
Power output LED
Power error LED
-48V
Ground
-48V return
•EthernetactivityLEDs:WhentheseLEDsarelit,theyindicatethattheserveristransmittingtoor
receivingsignalsfromtheEthernetLANthatisconnectedtotheEthernetport.
•EthernetlinkLEDs:WhentheseLEDsarelit,theyindicatethatthereisanactivelinkconnectiononthe
10BASE-T,100BASE-TX,or1000BASE-TXinterfacefortheEthernetport.
•ACpowerLED:Eachhot-swapacpowersupplyhasanacpowerLED.WhentheacpowerLEDis
lit,itindicatesthatsufficientpoweriscomingintothepowersupplythroughthepowercord.During
typicaloperation,theacpowerLEDislit.ForanyothercombinationofLEDs,see“ACpower-supply
LEDs”onpage71.
•DCpowerLED:Eachhot-swapacpowersupplyhasadcpowerLED.WhenthedcpowerLEDislit,it
indicatesthatthepowersupplyissupplyingadequatedcpowertothesystem.Duringtypicaloperation,
boththeacanddcpowerLEDsarelit.ForanyothercombinationofLEDs,see“DCpower-supply
LEDs”onpage73
.
•INOKpowerLED:Eachhot-swapdcpowersupplyhasanINOKpowerLED.WhentheINOKpower
LEDislit,itindicatesthatsufficientpoweriscomingintothepowersupplythroughthepowercord.
Duringtypicaloperation,boththeINOKandOUTOKpowerLEDsarelit.Foranyothercombinationof
LEDs,see“DCpower-supplyLEDs”onpage73.
24LenovoSystemx3650M5InstallationandServiceGuide