System Sensor MDL3W Siemens Use the D7044 supervised input

Use the D7044 supervised input in a Class B configuration

and has an off-line

The Duct Detector Test Switch (Model TSM-1) is a key-activated device that tests detectors for proper

and EN54-12

The intelligent manual station has a pair of rotary decimal switches which allows for two-digit address setting

System Sensor MDL3W Siemens Use the D7044 supervised inputThe MDL3 Module is designed to work with the SpectrAlert and SpectrAlert Advance series of notification appliances to provide a means of synchronizing the temporal coded horns and chimes, synchronizing the one second flash timing of the strobe, and silencing the horns and chimes of the horn strobe and chime strobes combination over a two wire circuit while leaving the strobes active.