User's Manual

OptionalequipmentChapter3:Frame-basedeNodeBInstallation
Optionalequipment
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Thissectioncontainsgeneralinformationandproceduresforinstallingtheoptionalequipment.
Quartz-highstabilityoscillator
TheQuartzhighstabilityoscillator(Q-HSO)isavailableasanoptionalequipmentto
accommodatecustomerswiththebackuptimingmodule.Sinceitisoptional,theQ-HSOmay
notbepresentinallinstallations.However,ifitisinitiallyordereditisinstalledatthefactory .
Figure3-14BCUIIQ-HSOunit
ti-cdma-05694.eps
ti-cdma-05694.eps
Mounting Tab Slot
Q-HSO
Q-HSO
Rear View
9-Pin Sub-D Connector
9-Pin Sub-D Connector
Captive Thumbscrew
Mounting Tab
IftheQ-HSOisnotfactoryinstalled,performthestepsProcedure3-17toinstalltheunit.
3-2868P09308A55-6
FEB2010