NOTIFIER’s ONYX® Series of intelligent fire alarm control panels have the flexibility to meet the needs of any size application. ONYX Series panels are easily expanded with NOTI-FIRE-NET™, NOTIFIER’s intelligent fire alarm network, to keep pace with your fire protection needs. What’s more, ONYX Series panels and NOTI-FIRE-NET are completely backward compatible with existing NOTIFIER intelligent systems, so you can add-on or upgrade without having to replace existing devices.