Simon XT Panel Integration

[geotrouvetout67]

I don’t think arming/disarming is easy to integrate, the only way I see it could be doable is integrating a cellular terminal connected to the line In of the panel and creating a smart app that would talk to the terminal.

I monitor my Simon myself, I installed a cellular phone terminal to it that calls me when the alarm is triggered, I use a T-Mobile prepaid plan that costs $10 every 3 months and it calls 4 different numbers 3 times until you pick up.

I think you can easily integrate the alarm trigger with Smartthing for monitoring with ST for less than $100, I posted on this subject on this thread and will add that to my system very soon.

GE Interlogix SIMON 3, XT, XTi integration

I did not try it yet but I think there is a simple way to integrate the Simon to ST as I am looking for doing the same thing. Simon alarm panels have ports for external sirens: HW1 I/O provides the negative and HW 1/2 OUT is the positive. When an external siren is installed, HW I/O is connected to the neg port of a relay such as the ELK924 commonly used and the HW 1/2 OUT goes to the positive trigger port of the relay. Using the same principle, you could use a Smartthings compatible door sensor and connect it to the relay switch port. I think a door sensor is normally closed so you would use the N/C and COM ports of the relay. Break the glass of the reed switch on the door sensor and solder wires from the switch contacts to the N/C and COM ports of the relay, or unsolder the reed switc…