User Manual

BTS Redundancy/Alarm Testing – continued
3-104 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
It may take a few seconds for alarms to be reported. The
default delay is 5 seconds. When shorting alarm pins wait
for the alarm report before removing the short.
NOTE
Table 3-47: CDI Alarm Input Verification Without the Alarms Test Box
Step Action
1 Connect the LMF to the BTS and log into the BTS.
2 Select the MGLI.
3 Click on the Device menu.
4 Click on the Set Alarm Relays menu item.
5 Click on Normally Open.
A status report window displays the results of the action.
6 Click on OK to close the status report window.
7 Refer to Figure 3-29 and sequentially short the ALARM A connector CDI 1 through CDI 18 pins
(25–26 through 59–60) together.
An alarm should be reported for each pair of pins that are shorted.
A clear alarm should be reported for each pair of pins when the short is removed.
NOTE
Input 21 (pins 29 and 30) on the Alarm B connector is reserved for the Power Supply Modules alarm.
8 Refer to Figure 3-29 and sequentially short the ALARM B connector CDI 19 through CDI 36 pins
(25–26 through 59–60) together.
An alarm should be reported for each pair of pins that are shorted.
A clear alarm should be reported for each pair of pins when the short is removed.
9 Select the MGLI.
10 Click on the Device menu.
11 Click on the Set Alarm Relays menu item.
12 Click on Normally Closed.
A status report window displays the results of the action.
13 Click on OK to close the status report window.
Alarms should be reported for alarm inputs 1 through 36.
14 Refer to Figure 3-29 and sequentially short the ALARM A connector CDI 1 through CDI 18 pins
(25–26 through 59–60) together.
A clear alarm should be reported for each pair of pins that are shorted.
An alarm should be reported for each pair of pins when the short is removed.
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