Tait TB9100 Installation And Operation Manual
Also see for P25 CG: User manualInstallation and operation manual
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TB9100/P25 CG/P25 TAG Installation and Operation Manual Installation 47© Tait Limited March 2014Notice The connections shown in Figure 3.3 assume the reciter ispowered via the subrack. If the reciter has been removed from the sub-rack, you must supply power to it (and the CTU) separately.Notice The CTU is common to TB9100 and TB8100 base stations:some of its connectors and controls are not used with a TB9100. Referto the Calibration and Test Unit Operation Manual for detailed informa-tion about connecting and operating the CTU.Confirming OperationTo ensure that the base station is working correctly before site installation,you may want to apply power to check for proper operation.Notice Make sure that the RF output is connected to a suitable atten-uator or dummy load. Do not remove the load while the PA is transmit-ting.Applying Power 1. Before turning the base station on, carry out the following tasks:■ check that the PMU is turned off – ensure that the AC and DCmodule power switches are both set to ‘Off ’ (refer to Figure 4.5on page 87)■ 12V PA only: check that the battery supply lead is disconnected(refer to “Replacing a Power Amplifier” on page 103)■ remove the front panel (refer to “Preliminary Disassembly” onpage 96)■ check that all looms and cables at the front and rear of the basestation are fitted correctly■ check that all connectors are secure■ refit the front panel – ensure that it is fitted correctly so that thefans will operate if needed (refer to “Final Reassembly” onpage 115)2. Apply power by turning on the PMU, or by connecting the batterysupply lead to the 12V PA.3. Check that the base station powers up correctly:■ check that the cooling fans in the front panel turn on in thecorrect order after power-up: the PMU fan will run first, followedby the PA fan and then the reciter fan; each fan will run for aboutfive seconds and then switch off (note that the PMU fan is notfitted to a 12V PA base station)■ check that the LEDs on the control panel come on after about fiveseconds, and then go off (refer to “Control Panel” on page 79)■ at this point you can safely press the speaker and microphonebutton and check that they are operating correctly |
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