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Fire Alarm Test 45
Автор: SafeTech
Загружено: 2017-10-27
Просмотров: 333055
Описание:
Testing signals on a 4100ES system in a school following replacement of a 4009 NAC Panel as well as a few other modifications. Original system in the high school was a 4100+ recently outfitted with an ES upgrade kit following an expansion a few years ago.
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