Old Sonitrol Glass break sensor


Old 09-04-12, 09:25 AM
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Old Sonitrol Glass break sensor

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Anyone recognize this sensor? I am told its a glass break sensor. The wiring terminals are labeled + + A NO G G NC C T T.

Terminals +, A, G, NC, & C were wired (to a very old Sonitrol panel). I'm hoping to get it to work with my new DSC PC1832 panel. Can anyone help me identify the terminals and how it might be wired to my panel?

Many thanks.
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Old 09-04-12, 02:49 PM
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Hmmm, Sonitol doesn't generally let a lot of it's brand specific hardware tech info, however their devices are also microphones as well as glassbreak detectors.

The C/NC/NO are the form C relay (for a typical security install you use C/NC).
The + is for 12VDC power as is G (ground).

For a normal alarm system, ignore the A, as that's the audio tap for the listen in mic. Pretty much only Sonitrol uses the audio screening trick. A few other alarm controls support the feature, but that's their special "trick pony".

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