The Hochiki FRCMA/-I Fast Response Contact Monitoring Modules are designed to be used with pull stations, water flow switches, and other applications requiring the monitoring of dry contact alarm initiating devices. The interrupt driven Digital Communications Protocol (DCP) combines maximum communication reliability and fast response to emergency conditions.FeaturesSingle input contact monitorFast, reliable contact monitoring utilizing the Hochiki DCP (Digital Communications Protocol)Two different mounting configurations127 devices can be used per DCP loopBi-colored indicating LED provides module status (Both Models)Yellow LED indicates a short circuit condition (FRCMA-I only)Can be programmed to monitor Normally Open (NO) or Normally Closed (NC) contacts in Class BOperates on Class A or Class B SLC loopAccepts up to 14 AWG wireUL 864 ListedMain FeaturesYellow LED indicates a short circuit condition (FRCMA-I only)Bi-colored indicating LED provides module status (Both Models)Can be programmed to monitor Normally Open (NO) or Normally Closed (NC) contacts in Class BFast, reliable contact monitoring utilizing the Hochiki DCP (Digital Communications Protocol)UL 864 Listed