User Manual

Power Cabinet Initial Power Up – continued

July 1999

2-13

SC 4812ET BTS Optimization/ATP – CDMA LMF

PRELIMINARY 2

Rectifier Over Temperature

Alarm

This is the J8 on the rear of the DMAC itself, this is not

connector J8 on the connector bulkhead at the rear of the

cabinet.

NOTE

Table 2-16 gives instructions on testing the battery over temperature

alarm system.

Table 2-17: Rectifier Over Temperature Alarm

Step Action

1 Remove the J8 link on the rear of the DMAC.

NOTE

This is the J8 on the rear of the DMAC itself, this is not connector J8 on the connector bulkhead at

the rear of the cabinet.

2 Verify that RECTIFIER OVERTEMP LED (red) is illuminated. Contacts on K1 and K2 change

states (K1 now closed and K2 open).

3 Verify that the LMF has reported an alarm condition. Alarm condition will be reported as BTS–26

contact.

4 Reinstall J8 connector and verify that all alarm conditions have cleared. K1 and K2 should now be

in their normal states (K1 open and K2 closed).

5 This completes the system tests of the SC 4812ET Power Cabinet.