Ademco Vista 4120XM remote trigger setup

Hi all, i have a brand new konnected installation in my house, one alarm panel pro with 2 interface modules and a relay module.

I have got the majority of it working, got all my zones setup etc. the last bit I want to have is to have the ability to remotely arm / disarm and to see alarm status. I have been reading all the documentation around the vista 20p but it seems my system is different. 

I had a look at the installer manual and i can see there are outputs for a keyswitch on zone 7. I am just struggling to understand where i have to connect what exactly on my board relay and zone wise. 

Is there anywone here that can point me in the right direction ?

Ever get this working? I also have a Ademco 4120xm alarm system (from the mid 1990's) and was curious if the remote arm/disarm can be setup. I have also scoured the installer manual but not sure.