Specifications

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7MAINTENANCE AND TROUBLESHOOTING
Field replaceable units (FRUs)
ThefollowingCPM‐relateditemscanbeinstalledorreplaced:
•TheCPMitself.Forinstallationinstructions,seetheATCA‐4500,ATCA‐4550,ATCA‐4555
ComputeProcessingModuleInstallationGuide.Forremovalinstructions,see
RemovingandinstallingtheCPM,RTM,orAMC.
•TheDIMMs.Forplacementinformationandinstallationandremovalinstructions,see
Chapter2,InstallingMemoryModules,onpage 17.
•AcompatibleAMC.Forinstallationinstructions,seetheAMCInstallationGuide.
•AcompatibleRTM.Forinstallationinstructions,seetheATCA‐4500,ATCA‐4550,
ATCA‐4555ComputeProcessingModuleInstallationGuide.
Removing and installing the CPM, RTM, or AMC
Thefollowingstepsexplainthehot‐swapprocedureforreplacingtheCPM,RTM,orAMC.
1. Re adElectrostaticdischargeonpage 8andmakesureyouareadequatelygrounded
beforehandlinganyofthemodules.
2. BeforereplacingtheCPM,disconnectallcablesfromthefrontpanel.Beforereplacing
theRTM,disconnectallcablesfromtherearpanel.BeforeswappingtheAMC,goto
step4.
3. LoosenthetwothumbscrewssecuringtheCPMortheRTM.
4. ReleasetheAMChandleorthe modulelockingejector
latchthatcontainsthehot‐swapswitch.Thiswillbe
eithertherightorthebottomejectorlatch,depending
on
whetherthemoduleisorientedverticallyor
horizontally.
Toreleasethelockingejectorlatch,firstdisengagethe
latchlockbyslidingthelocktowardthehandleto
releasethecatchfromtheshelflatchrail,thenpullthe
handleout.Refertotheillustration.
Donotreleasetheotherlatchatthis
time.
Whenthehandleorejectorlatchisopened,asignalissenttotheIPMCwhichcauses
thebluehot‐swapLEDtobeginblinking.
Slide lock toward
handle, then pull
handle out
Lock
Locking latch