We moved recently, and the home has a PowerSeries security system installed. It appears to be a PC1832 system.

Here is a picture of the overall system panel.

I am not interested in all of the door/window/motion detectors, and will likely be removing the sensors in the near future. At this point, all I’m interested in using it for is smoke and CO detectors.

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Looking at the wiring diagram in the installation guide, there are four wires for the keybus that runs to the keypads, can I just remove those so I don’t have to deal with the beeping when a door is opened from the keypads?

Here are the wires for the keybus. There are at least two keypads, which I assume is why each terminal has multiple wires populating it.

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While we’re here, can anyone tell me which wires I’d need to disconnect for the door and window sensors?

Also, does anyone know what the heck this board is for? The two CAT5 cables coming out of it run to the first floor and into the ceiling, respectively. I’m not sure where the white CAT5 runs as I type this.

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Is modifying this system dumb? Should I just figure out how to disable the door chimes and leave the system disarmed and call it good? Is there a monthly subscription that’s associated with this system?

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Cheers!