HTRI-M Intelligent Interface Module baggy

HTRI-M Intelligent Interface Module (baggy). 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- has the capacity of storing ─ in memory ─ identification information, as well as integral operating-status data in use with the XLS system.