Crisis Notification: Fire alarm control panels are classified as the central hub for receiving indicators from fire detection devices for instance smoke detectors and heat sensors. The SBBRKSM easichange® package replaces the discontinued BRK 660MBX optical and 670MBX ionisation smoke alarms and matches onto your existing BRK twist-match alarm baseplate https://bookmarkassist.com/story18471215/getting-my-addressable-fire-alarm-control-panels-to-work