2 wire smoke/heat detector and 4 wire smoke/heat detector

Plugins & Plugin Development DSC Alarm System
#1

I have 2 smoke detectors currently connected to my system, one is wireless and one is a 4 wire (FSA-410B) connected to PGM2 and Zone1.
Now I bought a 2 wire smoke/heat (FSA-2104AST), can I connect it to my PGM1 or PGM3 or PGM4?

Is there a way to have it connected to a zone? I am aware that it can’t but I did read some people using some sort of a relay…

#2

OK found out that the 4 wire smoke detector can be connected to any PGM while the 2 wire one has to be connected to PGM2. So all I need to do is move the 4 wire to any other PGM and connect the 2 wire to PGM2.