Alarms Ericsson Bts [PDF]

Zitiervorschau

ALARM BASIC FUNCTION NOTE; if we define the alarm on breaking by OMT

BTS END

ALARM GENERATI NG RELAY

ALARAM NOT ACTIVE

BTS END

ALARM GENERATI NG RELAY

ALARAM ACTIVE

(SENSOR/RELAY ALAM DESTINATION END

(SENSOR/RELAY)

ALAM DESTINATION END

Alarms define on Ericson BTS by OMT 1. 2. 3. 4. 5. 6. 7. 8. 9.

GEN 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 BTS end but not on BSC end.

ALARM DEFINATION

ALARM DESTINATION

1) GEN ON

ATS

2) AC MAIN FAILURE

ATS

3)RECTIFIER DOOR

POWER CABNET

4) LOAD BREAKER TRIP

PSC3

5) BATTRY HIGH TEMP

POWER CABNET

6) DC LOW VOLT

PSC3

7) MAJOR

PSC3

8) MINOR

PSC3

9) SYSTEM ON BATTRIES

PSC3

Alarm Ericson BTS 1

2

3

4

5

6

7

8

9

Alarm relays on psc3 Relay 6 Genset trigger

Relay 5 Dc low volt

Relay 4 Load breake r trip

Relay 3 Sys on batt

Relay 2 Minor

Relay 1 Major

POWER CABNET ALARMS Door sensor Temperature sensor BATTERY HIGH TEMP

RECTIFIER DOOR

NOTE: we have to trace the wire coming from lower cabinet temperature sensor an Door sensor. Connect that with the pairs coming from BTS END

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 here

Alarms Trouble shooting 12 volt travels BTS END

ALARM GENERATI NG RELAY

ALAM DESTINATION END

ALARAM NOT ACTIVE

Usually 12 volts travels on alarm wires .when the far end of the wires switch togethe It séance 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 fro BTS end by looping .

Faisal khan Power engineer Relacom Pakistan