User Manual

BTS Redundancy/Alarm Testing – continued
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-103
DRAFT
Table 3-46: CDI Alarm Input Verification Using the Alarms Test Box
Step Action
24 Set all switches on the alarms test box to the Closed position.
A clear alarm should be reported for each switch setting.
25 Disconnect the alarms test box from the ALARM A connector.
NOTE
Input 21 (pins 29 and 30) on the Alarm B connector is reserved for the Power Supply Modules alarm.
26 Connect the alarms test box to the ALARM B connector.
A clear alarm should be reported for alarm inputs 19 through 36.
27 Set all switches on the alarms test box to the Open position.
An alarm should be reported for each switch setting.
28 Set all switches on the alarms test box to the Closed position.
A clear alarm should be reported for each switch setting.
29 Disconnect the alarms test box from the ALARM B connector.
30 Select the MGLI.
31 Click on the Device menu.
32 Click on the Set Alarm Relays menu item.
33 Click on Unequipped.
A status report window displays the results of the action.
34 Click on the OK button to close the status report window.
35 Connect the alarms test box to the ALARM A connector.
36 Set all switches on the alarms test box to both the Open and the Closed position.
No alarm should be reported for any switch settings.
37 Disconnect the alarms test box from the ALARM A connector.
38 Connect the alarms test box to the ALARM B connector.
39 Set all switches on the alarms test box to both the Open and the Closed position.
No alarm should be reported for any switch settings.
40 Disconnect the alarms test box from the ALARM B connector.
41 Load data to the MGLI to reset the alarm relay conditions according to the CDF file.
CDI Alarm Input Verification
without Alarms Test Box
Table 3-47 describes how to test the CDI alarm input verification
without the use of the Alarms Test Box. Follow the steps as instructed
and compare results with the LMF display.
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