How to wire siren with DSC zone expander and power supply

SpacecoastBill

Getting the hang of it
Jan 10, 2015
75
33
Central Florida
I have a new DSC 1864 and Im using both 5108 Zone expanders as well as 5204 power supplies.

My question is how would I wire a siren to use either the expander or power supply? I dont want to overdraw my main board....