Alarm ericsson BTS

ALARM GENERATING RELAYALARM BASIC FUNCTION BTS ENDALARM GENERATING RELAYBTS ENDALAM DESTINATIONENDALAM DESTINATIONENDALARAM ACTIVEALARAM NOT ACTIVE(SENSOR/RELAY)(SENSOR/RELAY)NOTE; if we define the alarm on breaking by OMT

Alarms define on Ericson BTS by OMTGEN ON AC MAIN FAILURE RECTIFIER DOOR DC LOAD FUSE BATTERY HIGH TEMP LOW VOLTAGE RECTIFIER MAJOR RECTIFIER MINOR SYSTEM ON BATTERIES

Note : when we r going to define the alarm the wording will be same like above .All the later should be capital .

Because the filter applied on BSC end if we change the wording the alarm will report on BTS end but not on BSC end. ALARM DEFINATION ALARM DESTINATION1) GEN ON

ATS2) AC MAIN FAILURE

ATS3)RECTIFIER DOOR

POWER CABNET4) LOAD BREAKER TRIP

PSC35) BATTRY HIGH TEMP

POWER CABNET6) DC LOW VOLT

PSC37) MAJOR

PSC38) MINOR

PSC39) SYSTEM ON BATTRIES

PSC3

Alarm Ericson BTS

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Alarm relays on psc3

Relay 6Genset triggerRelay 5Dc low voltRelay 4Load breaker tripRelay 3Sys on battRelay 2MinorRelay 1Major

BATTERY HIGH TEMP

RECTIFIER DOOR

POWER CABNET ALARMSNOTE: we have to trace the wire coming from lower cabinet temperature sensor and Door sensor.Connect that with the pairs coming from BTS END

Temperature sensorDoor sensor

Click on connect button

Click on read IDB

Right click on Alarm inlets

Define the alarm name here

Select external alarm here

Define the alarm state on breaking

Start alarm monitoring from hereALARM GENERATING RELAYBTS ENDALAM DESTINATIONENDALARAM NOT ACTIVEAlarms Trouble shooting 12 volt travels Usually 12 volts travels on alarm wires .when the far end of the wires switch together It sance the alarm is clear (if we define the alarm state on breaking ) .If we are facing trouble in alarm reporting .so we have to check step by step start from BTS end by looping .

Faisal khanPower engineer Relacom Pakistan