@Jojoe did you ring your ISP tech support for help on this? Also have you gone FTTP Fibre To The Premises.?
If you have gone FTTP then maybe you need to connect the Alarm to the ONS fibre box. So again call your installer of your fibre for advice.
Joss
Current car: BMW X2 sDrive 20i M Sport 5dr Step Auto In metallic Portimão Blue. 04:10:2025
Previous car:Peugeot 308 GT Premium 1.2 Pure tech Petrol.