Manualshelf

User's Manual

ManualsBrandsNokia Solutions and Networks ManualsElectronicsLTE 700 MHz Public Safety Base Station Transceiver
148149150151152153154155156157
ReplacementProcedureChapter8:FieldReplaceableUnits
Requireditem
Thefollowingreplacementunitisrequired:
•Fantray ,MotorolamodelSGLN1946
ReplacementProcedure
PerformthestepsdescribedinProcedure8-13toremovetheBCUIIfantray .
Procedure8-13RemovingtheBCUIIfantray
1
RemovetheBCUIIcardcageassemblyfromtheframeaccordingthestepsin
ReplacementProcedureonpage8-3
2
WorkingatthefrontoftheBCUIIcardcage,unlatchthefrontpaneldoorof
theBCUIIandswingthedooropen.
3
CAUTION
Thefrontpaneldoormustnotbepivotedopenbeyond120degrees
fromtheclosedposition.Thereisamechanicalstopperpinthat
indicatesthis120degreesposition.
Topreventdamagingthedoorandtheex-circuit,DONOTforce
thedooropenbeyondthe120degreesposition.
Workingatthefrontoftheframe,opentheBCUIIfrontpaneldoorasfollows:
1.Whileholdingthedoorlatchreleasebuttondepressed,graspthetop
edgeofthefrontpaneldoor .
2.PullthedoorawayfromtheBCUIIandpivotitdownwardtotheopen.
3.Openthefrontpaneldoortothe90degreesposition.
4
CAUTION
ESDhandlingprecautionsmustbeadheredtowhenhandlingthe
BCUIIplug-incards.Wearaconductive,highimpedancewriststrap.
PlugtheendoftheESDwriststrapintotheBCUIIESDjack.Thisjackis
locatedinthefrontoftheBCUIIattherightendoftheSiteControllercard
slot.Attachthewriststraptoyourwrist.
Continued
8-2668P09308A55-6
FEB2010