Residential Systems
If you know where the control panel is located (for non-self contained systems) look for a number on the outside of the control panel or inside on the main system board then click on the model number below for the associated model. If not look for a picture of your keypad and click on the associated picture to download the most likely model of panel.
DSC (Digital Security Controls)
These are typically installation >15 years old :
PC1500 | PC1550 | PC2500 | PC3000
These are typically <15 years old: Alexor, PC1555MX, PC1616, PC1832,