hi ravindra
the trans. power is 44 Dbm with combiner and 47 dbm without combiner
and
the bcf is terminology which represents the different BTS or sector
the OMU signalling is responsible for carrying the alarms
its main important function is to initialize the BTS and configure it.
another important function of OMU sig is that it keep on interacting with the hardware of BTS and ckeck there status