TB9300 Installation and Operation Manual Replacing Modules 113
© Tait International Limited April 2024
8 Replacing Modules
Caution The PA and PMU weigh between 6.6 lb (3.0 kg) 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.
8.1 Saving the Base Station 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, backup and save the configuration file before
removing any modules. Once you have replaced the module, you will be
able to restore the original configuration to the base station. See Working
with Configuration Files for more information.
If one or more of the modules is faulty, you may be unable to save the
configuration. In this case, you will have to restore the configuration from
a back-up file. Refer to the Help for more information.
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