User Manual

Alarms Testing – continued

SC4812ET BTS Optimization/ATP — CDMA LMF

Jan 2002

3-114

Rectifier Over Temperature

Alarm

This is connector J8 on the rear of the Meter Alarm Panel

itself, this is not connector J8 on the connector bulkhead at

the rear of the cabinet.

NOTE

Table 3-63 gives instructions on testing the battery over temperature

alarm system.

Table 3-63: Rectifier Over Temperature Alarm

Step Action

1 Remove the J8 link on the rear of the Meter Alarm Panel (see Figure 3-25 for J8 location).

NOTE

This is the J8 on the rear of the Meter Alarm Panel itself, this is not connector J8 on the connector

bulkhead at the rear of the cabinet.

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

now closed and K2 open).

3 Verify that the LMF has reported an alarm condition. (BTS #26)

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.