Fire-Lite Standard-Sized Addressable Dual Monitor Module MDF-300

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MDF-300(A) is a standard-sized dual monitor module used to monitor and supervise two independent two-wire Style B (Class B) dry-contact initiating device circuits (IDCs) at two separate, consecutive addresses in intelligent, two-wire systems.


LiteSpeed is a communication protocol developed by Fire-Lite Engineering that greatly enhances the speed of communication between analog intelligent devices. Intelligent devices communicate in a grouped fashion. If one of the devices within the group has new information, the panel CPU stops the group poll and concentrates on single points. The net effect is response speed greater than five times that of other designs.

  • Provides Two Independent Two Wire Initiating Device Circuits at Two Separate, Consecutive Addresses
  • Capable of Monitoring Normally Open Contact Fire Alarm and Supervisory Devices
  • Module has a Single Panel Controlled LED