Optex Fiber SenSys Terrain Defender TD 100 Installation Manual page 62

Next perform the Battery Endurance Test. With the previous step complete conduct
intrusion testing to verify the TD100 is annunciating alarms as usual. Monitor the TD100
for the set total hour uptime goal with the previously noted time as the start time.
Once the uptime goal is reached continue monitoring the system until the low battery
alarm is received. Restore AC power before the batteries completely discharge. Once
the AC fail, low battery, and uptime goal have been met the test is passed.
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