Brinks BHS-3000 Setup & Determining location/type of sensors

I recently purchased a home with a Brinks alarm installed already. I set up a system at my previous residence using Smartthings and z-wave sensors. I'm researching using the already wired system and then supplementing with z-wave sensors down the line. 

Has anyone integrated with the BHS-3000 system before? 

Also is there an easy way to identify what sensors are already installed? As the system isn't currently working I have no clue what sort of zones or coverage there is preexisting.