System Sensor MDL3W Siemens Use the D7044 supervised input

Use the D7044 supervised input in a Class B configuration

Multipurpose push stations (NPS) are used for manual activation of SAFEPATH voice evacuation system pre-recorded messages

a hand-held microphone

The module connects normally‐open (NO) contacts to the multiplex bus of an FPD‐7024

or 27193-16 White Surface Mount Box

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.