The MS9200UDLS is an addressable panel. If you aren’t sure what that is, I recommend reading through So you want to buy a FACP...]this post, specifically the section about addressable systems.
In short, all pull stations and smoke detectors must either be compatible Fire-Lite addressable devices, or standard conventional devices wired to Fire-Lite addressable monitor modules. All addressable devices are wired to the B+ and B- terminals on the SLC.
