Specifications

MSO Calibr ation Appendix F : MSO Calibr ation
MSO Calibration
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MSO Calibration Status
The check the status of the Motorola Standard (Medium Stability) Oscillator (MSO) perform the
following:
• Log into the UBS with the LMF .
• Click on BTS > MSO Calibration Status menu item
• MSO status is displayed.
MSO Calibration Procedure
P erform the following procedure only if the BTS is in Island Mode configuration, the system has
no configured references, and HSO , GPS , or external reference is connected.
Procedure F -1 Procedure to Calibr ate the MSO
1
Log into the UBS .
2
Click on BTS Menu . Select Enter Invasive Mode ( Figure F -1 ). W ait for
Message window to appear ( Figure F -2 ).
3
From BTS Menu, select MSO Calibration Status ( Figure F -3 ). MSO status is
displayed ( Figure F -4 )
4
From BTS Menu, select MSO Calibration Figure F -5 )
5
Select Clock reference HSO-1 to start MSO calibration ( Figure F -6 ).
W ait for start ( Figure F -7 )
6
The calibration takes about 15 minutes to
complete (it can take up to an 60 minutes).
Read the calibration status ( Figure F -8 )
7
Logout of UBS . Click on File->Exit ( Figure F -9 ).
8
Login to UBS (do not enter invasive mode).
9
From BTS Menu, select MSO Calibration Status ( Figure F -10 ).
F -2 68P09283A63 -5
FOA A UG 2007