TB9100/P25 CG/P25 TAG Installation and Operation Manual Replacing Modules 95
© Tait Limited March 2014
7 Replacing Modules
Caution The PA and PMU weigh between 10.1lb (4.6kg) and 15.4lb
(7kg) each. Take care when handling these modules to avoid personal
injury.
Notice The cooling fans are mounted on the front panel and will only
operate when the panel is fitted correctly to the front of the subrack. To
ensure adequate airflow through the base station, do not operate it for
more than a few minutes with the front panel removed (e.g. for servicing
purposes). Both the PMU and PA modules have built-in protection
mechanisms to prevent damage from overheating.
7.1 Saving the Base Station’s Configuration
Before replacing a module in the base station, you should decide whether
you need to save its configuration data. If you are unsure whether you have
a record of the configuration, use the CSS to read the base station and save
the configuration file before removing any modules. Once you have
replaced the module, you will be able to restore the original configuration
by programming the saved configuration back into the base station.
If one or more of the modules is faulty, you may be unable to read the base
station. In this case, you will have to restore the configuration from a
back-up file. Refer to the CSS Help or manual for more information.
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