User Manual
Power Cabinet Initial Power Up – continued
July 1999
2-9
SC 4812ET BTS Optimization/ATP – CDMA LMF
PRELIMINARY 2
Table 2-8: Heat Exchanger Alarm
Step Action
1 Turn circuit breaker “B” of the Heat Exchanger circuit breakers OFF. This will generate a Heat
Exchanger alarm, ensure that the LMF reports the correct alarm condition in the RF Cabinet.
2 Alarm condition will be reported as BTS Relay 25 – contact alarm.
3 Turn the circuit breaker “B” ON. Ensure that the alarm condition is now removed.
NOTE
The Heat Exchanger will go through the Start Up sequence.
Door Alarm
Table 2-9 gives instructions on testing the door alarms.
Table 2-9: Door Alarm
Step Action
1 Close all doors on the Power Cabinet. Ensure that no alarms are reported on the LMF.
2 Alarm condition will be reported as BTS Relay 27 – contact alarm.
3 Individually open and then close each power supply cabinet door. Ensure that the LMF reports an
alarm when each door is opened.
AC Fail Alarm
Table 2-10 gives instructions on testing the AC Fail Alarm.
Table 2-10: AC Fail Alarm
Step Action
1
NOTE
The batteries should have a stable charge before performing this test.
Turn the Main AC breaker on the Power Cabinet OFF. The LMF should report an alarm on an AC
Fail (Rectifier Fail, Minor Alarm & Major Alarm) condition.
2 Alarm condition will be reported as BTS–23, BTS–21, BTS–24 and BTS–29 contacts
respectively.
3 Turn the Main AC breaker on the Power Cabinet ON. The AC Fail alarm should clear.
Minor Alarm
Table 2-11gives instructions on testing minor alarm.
2