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2006 Hyon Corp Co,.Ltd www.jasteletech.com
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4. Operational Procedure
After installation is over, use measuring tools to process operational test followed by orders below.
4.1 Measuring Tool Descriptions
-SpectrumAnalyzer: To measure spurious emission and wave, input and output power level.
-Signal Generator: To measure repeater’s gain
-RF Power Meter: To measure repeater’s output power
-Site Master: To measure VSWR on antenna and antenna cable
-Multi Tester: To measure AC input power and others
4.2 Down Link Setting
Power Check: Use AC adaptor to connect the power to the repeater and check whether power is
turned on.
Base Station Input Power Check: Connect the Spectrum Analyzer, described above, to [To
BTS] port on the repeater and check total power of down link input power level from the base
station. Total power should between –50dBm ~ -43dBm.
zFor input level measurement, accurate offset value for Spectrum Analyzer should
be determined considering Cable Loss and etc.
Connect the Spectrum Analyzer to [To Mobile] port and measure down Link Gain and check
whether the spurious emission meets the standard.
4.3 Up Link Setting
Connect the Signal Generator to [To Mobile] port and confirm C.W signal. It should be –50dBm.
Connect the Spectrum analyzer to [To BTS] port and check Up Link Gain.
zIf Procedures above are not available, use Spectrum Analyzer to get repeater’s
gain by using noise level measurement.
Ex) If Up Link Gain is 50dBm; noise level can be found by following equation.
White Noise Level + Repeater Gain + Repeater N/F
= -56dBm/1.25Mhz