Siemens Desigo.
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i think the smokes are notifier SDX-551 because its an afp-200
They use System sensor 2451s on the modules for using conventional devices on adressable panels. and in some parts they do use notifier SDX-551s as well so i think they use a mid of both
are the LED’s on the smoke coloured red or clear? it would make more sense to be addressable (sdx-551)
the ones in the hallways are red and the ones in the lobby where the panel is they are clear
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