The Harrington HS-3100 is a basic system solution that was manufactured to provide a single addressable input Signaling Line Circuit for support of up to 198 addressable devices; up to 99 detectors and up to 99 control/monitor modules..
Harrington HS-3200 Datasheet
Harrington HS-3200 Installation Manual
Harrington HS-3200 Operating Instructions
Harrington HS-3200 Programming Manual
Harrington HS-3200 Operator Manual
1251 Ionization type smoke detector
1251B Ionization type smoke detector
2251 Photoelectric type smoke detector
2251B Photoelectric type smoke detector
2251T Photoelectric type smoke detector w/ thermal element
2251TB Photoelectric type smoke detector w/ thermal element
2251TM Acclimate Photo-Thermal Detector
2251TMB Acclimate Photo-Thermal Detector
MRI-7251 Pinnacle™ Intelligent Laser Sensor
5251P Thermal Detector
5251B Thermal Detector
5251RP Thermal detector w/ rate of rise
5251RB Thermal detector w/ rate of rise
5251H High Temperature Thermal detector
IM-10 10 Input Monitor Module
CR-6 6 Relay Control Module
SC-6 6 Supervised Control Module
CZ-6 6 Zone Conventional Interface Module
M500DM Dual Input Monitor Module
M500M Monitor module, Classes A/B initiating
M501M Mini Monitor module, Class B initiating
M502M Monitor Module for 2- wire smoke detectors Classes A/B
initiating
M500S Control Module
M500R Relay Module
M500X Fault isolator module