RF Unit RX Channel Fault

RF Unit RX Channel Fault

This alarm is reported when the average RX level difference between the main and diversity RX channels of the RF unit exceeds the statistical RX level difference in each measurement period

Main reasons of this alarm may;

?The RF connections at the diversity RX port of the TRX are loose or broken.

?The TRX is damaged.

Need to check the feeder configuration from WebLMT.

MML command: Set BTSRXUBP, 

MRFU/GRFU sending receiving mode should be according to antenna connection in site.(double feeder(1 tx+2 rx or single feeder(1 tx+2 rx)

Need to check the MRFU cascading cable(The connection should like this: Rx_in to Rx _out from both MRFU.

Need to check the RX port of the MRFU by interchanging it with another MRFU and if it is faulty the MRFU should be replaced.