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The microprocessor-controlled
It provides either a two-wire or four-wire fault-tolerant Initiating Device Circuit (IDC) for normally-open-contact fire alarm and supervisory devices
The TC809B Mini Monitor Module can be installed in a single-gang junction directly behind the monitored unit
The NCA-2 provides system control and display capabilities for all
Rotary Switch Addressing
Edwards EST M500SF Supervise Control Module SIGA-IO The microprocessor-controlledMonitor and control modules can be used to supervise and activate sounders, strobes, door closers, pull stations, waterflow switches, conventional smoke detectors, and more. Each module is rigorously designed and tested for electromagnetic compatibility and environmental reliability, in many cases exceeding industry standards.