User's Manual

Table Of Contents
Alarms Testing
68P64115A18–1
Mar 2003
1X SC 4812T Lite BTS Optimization/ATP Software Release R2.16.1.x
DRAFT
3-110
AC Fail Alarm
Table 3-48 gives instructions on testing the AC Fail Alarm.
Table 3-48: AC Fail Alarm
Step Action
1
NOTE
Back–up batteries must be installed when performing this test.
To prevent inadvertently shutting down the RF compartment electronics, the batteries should be
charged before performing this test.
Set the ACLC MAIN circuit breaker to OFF.
The LMF should report an alarm for an AC Fail condition as BTS Relay #21, BTS Relay #23,
BTS Relay #24, and BTS Relay #29 contacts, respectively.
On the MAP, the MAJOR ALARM (red), MINOR ALARM (amber), and RECTIFIER FAIL
(red) LEDs should light.
On the rectifiers, the DC and PWR LEDs should light red.
2 Set the ACLC MAIN circuit breaker to ON.
On the LMF, the AC Fail alarm should clear.
On the MAP, the MAJOR ALARM, MINOR ALARM, and RECTIFIER FAIL LEDs should
extinguish.
On the rectifiers, the DC and PWR LEDs should change to green.
Minor Alarm
Table 3-49 gives instructions on performing a test to display a minor
alarm.
Table 3-49: Minor Alarm
Step Action
1 Set the TCP switch on the MAP to OFF. This will generate a minor alarm.
The LMF should report the minor alarm as BTS Relay #24 contacts.
The TC DISABLE (red) and MINOR ALARM (amber) LEDs on the MAP should light.
2 Set the TCP switch to ON.
The alarm condition indications should clear.
Before Leaving the Site
If no further operations are required after performing the alarm tests,
complete the requirements in Table 5-8 before leaving the site.