Programmable security control board supports security and smoke detecting zones | Supports up to 10 2-wire smoke detectors and powers up to 15 input zones | Encrypted S-Line technology protects signals while supporting legacy 319.5 systems | LED lights indicate status of each individual zone | Charging circuit for back-up battery, fully supervised with power outage recovery | Programmable security control board supports security and smoke detecting zones | Supports up to 10 2-wire smoke detectors and powers up to 15 input zones | Encrypted S-Line technology protects signals while supporting legacy 319.5 systems | LED lights indicate status of each individual zone | Charging circuit for back-up battery, fully supervised with power outage recovery