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SPDT W/Led W/Ca
System Sensor SWLED L-Series LED Strobe
• Bi-directional communications
The disconnection of the supervision provides a positive indication to the panel that the control relay actually turned on
System Sensor M500DM Dual Monitor Module Fire Sale SPDT W/Led W/CaThe System Sensor M500DM Dual Monitor Module is intended for use in intelligent, two wire systems It provides two independent 2 wire initiating device circuits (IDC), at two separate, consecutive addresses. It is capable of monitoring normally open contact fire alarm and supervisory devices, or either normally open or normally closed security devices. The module has a single panel controlled red LED.