The Intelligent Interface Module Model HTRI-M Siemens is designed to provide the means of interfacing direct shorting devices to the Device Program/Test Unit (Model DPU) for various Siemens Fire Safety fire-alarm control panels (FACPs), which include the 50-point, 252-point, and 504-point addressable fire systems. Model HTRI-M provides the most advanced method of address programming and supervision including sophisticated FACP-communication in the fire and life safety market. Each model HTRI-M interface module uses microcomputer-chip technology, and advanced bi-directional communication capabilities with the respective Siemens Fire Safety FACP. Model HTRI-M is designed to monitor an N.O. or N.C. dry contact, and report the contact status to the FACP. The microcomputer chip for Model HTRI-M | -MZ has the capacity of storing in memory identification information, as well as integral operating-status data.
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