Motorola DIMETRA MTS 2, Installation, Configuration And Basic Service Manual

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MTS 2 and MTS 4 Installation, Con
fi
guration and Basic Service Manual Checking and Replacing Site Controller Lithium Battery
Checking and Replacing Site Controller Lithium Battery
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Procedure 8-2 How to Check if Site Controller Lithium Battery Needs Changing
1
In Site Controller Test Application, type
cr -ocontroller -crtc_reg -r7
and press
Enter
to read the register 7.
2
Type
cr -ocontroller -crtc_reg -r7 -v[Val]
where
[Val]
is the value received
in the previous step with bit 7 set to zero and press
Enter
.
3
Power down and then Power up the MTS.
4
Use the Site Controller Test Application to check the RTC alarm by typing
alarms
-ofault_hndlr
and press
Enter
.
5 •
If the battery is OK there should be no RTC related alarms reported. There is no need to
change the Site Controller Lithium Battery.
•
If the battery still reports RTC related alarms, the battery is not working properly or
not working at all. Proceed to
Procedure 8-3, "How to Replace Site Controller Lithium
Battery," on page 8-15 .
Danger of explosion if battery is replaced incorrectly. Replace battery only
with the same or equivalent type recommended by manufacturer. Dispose of
used batteries according to the manufacturer’s instructions.
Please refer to Appendix C, "Static Precautions and ESD Strap" before
proceeding with replacement process.
Procedure 8-3 How to Replace Site Controller Lithium Battery
1
Examine the contents of the
fl
ash
fi
lling system using the monitor command
SC> attrib
.
Record the
fi
le attributes for each of the
fi
les.
2
Switch the MTS Power Supply Unit OFF.
If two PSUs are present switch off the one supplying the Site Controller being
replaced. Do not power down the MTS.
6802800U74-N September 2009
8-15