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ManualsBrandsNokia Solutions and Networks ManualsElectronicsLTE 700 MHz Public Safety Base Station Transceiver
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LTEeNodeBIndoorHardwareInstallationFilter/DuplexerReplacementProcedure
Procedure8-7RemovingtheFilter/Duplexer
1
RemoveRadio/FilterShelf.
2
Removethe2RFcables(RxAandRxB)attherearoftheDuplexer.
3
Usinga10mmsocketand3-inchsocketextension,removethetwoM6nuts
atthebottomoftheRadio/Filtershelf.
4
UsingaT20Torx,removethetwoM4screwsatthefrontfaceofthe
Radio/FilterShelfDuplexerbody .
5
RemovetheFilter/DuplexerunitfromtheRadio/FilterShelf.
Procedure8-8InstallingFilter/Duplexer
1
InserttheFilter/DuplexerintotheRadio/FilterShelfavoidingthe2RFcables.
2
PulltheFilter/DuplexertowardsthefrontsotheFilter/Duplexerbodyrests
againsttheinsidefrontfaceoftheRadio/FilterShelfchassis.
3
UsingaT20Torx,screwtwoM4screwsthroughthefrontfaceofthe
Radio/FilterShelfintotheDuplexerbody .Torqueto1.8N-m(16in-lb).
4
Usinga10mmsocketand3-inchsocketextension,securetheFilter/Duplexer
tothetwoM6studsatthebottomoftheRadio/FilterShelfwithtwoM6nuts.
Torqueto5.1N-m(45in-lb).
5
Matethe2RFcablesattherearoftheFilter/Duplexer.Ensurethatthecable
bendsarenolessthan6mm(1/4inch)diameter .
68P09308A55-68-13
FEB2010