User's Manual

LTEeNodeBIndoorHardwareInstallationReplacementProcedure
Procedure8-3RemovingtheBCUIISiteControllercard
1
Workingatthefrontoftheframe,unlatchthefrontpaneldooroftheBCUII
andswingthedooropen.
2
CAUTION
Thefrontpaneldoormustnotbepivotedopenbeyond120degrees
fromtheclosedposition.Amechanicalstopperpinindicatesthis120
degreesposition.Topreventdamagingthedoorandtheex-circuit,
DONOTforcethedooropenbeyondthe120degreesposition.
Workingatthefrontoftheframe,opentheBCUIIfrontpaneldoorasfollows:
1.Whileholdingthedoorlatchreleasebuttondepressed,graspthetop
edgeofthefrontpaneldoor .
2.PullthedoorawayfromtheBCUIIandpivotitdownwardtoopen.
3.Openthefrontpaneldoortothe90degreesposition.
3
PowerdowntheBCUII.
4
ObservethatalloftheBCUIIfrontpanelLEDsareOFF .
5
CAUTION
ESDhandlingprecautionsmustbeadheredtowhenhandlingthe
BCUIIplug-incards.Wearaconductive,highimpedancewriststrap.
PlugtheendoftheESDwriststrapintotheBCUIIESDjack.Thisjackis
locatedinthefrontoftheBCUIIattherightendoftheSiteControllercard
slot.Attachthewriststraptoyourwrist.
6
UsingaT10TORXbitanddriver ,completelyloosenandremovethetwo
screwsthatsecuretheex-circuitconnectortotheinsideofthefrontpanel
doorassembly .
7
Grasptheex-circuitconnectoranddisconnectitfromthefrontpaneldoor
assembly .
8
Openthefrontpaneldoortothe120degreesposition.Thisisthemaximum
openlimitforthedoor.Thereisamechanicalstopperpinthatindicatesthis
120degreesposition.
NOTE
ThepowercablesattachedtothefrontofthePDUinterferewith
openingtheBCUIIfrontpanelfarenoughtoreplacethecontroller .
Disconnectthesepowercablesbeforeremovingthecontroller.
9
LocatethefailedSiteControllercard.
Continued
68P09308A55-68-7
FEB2010