Hi There,
At this point i would highly recommend that you have a licensed cabler attend to install a central filter property.
Is your alarm system monitored by a security company, or does the panel ring your mobile ?
You also need to determine if the system has a "mode 3" set up.
To do this, you will need an arm/disarm code for the system.
1) Open the alarm panel
2) sirens may go off, use your code to silence the system
3) disconect the RJ phone lead from the PCB of the panel
4) check all phones in the house, they "should" be dead, iof they are you need a licensed cabler from this point, if you install a filter you will also filter out the ADSL to the premises..
5) if all the phones are alive, the system is not in "mode3" and you can simply install a RJ style filter inline with the panel, problem solved.
Remember to plug the RJ lead back into the dialer.
Hope this helps.
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