The Spectra Pro has 4 alarm contact connects but currently only 1 contact functions.
- Spectra Professional - P1220
Current firmware supports a maximum of 1 alarm contact connected.
All four inputs are now supported with firmware v5.10.34. Please update using link - https://www.pelco.com/search?documentUUID=470fe8b6-a3b8-44cb-99dc-e79f509763ef&title=SpectraPro%20Firmware%20Update%20v5.10.34