Smart Fire Alarm System Addressable Input / Output Module 21VDC - 28VDC External PSU

Addressable Input/Output Module for T&A 3 Series Intelligent Fire Alarm System TX3208 Addressable I/O Module Main Features: Non-polarized two-wire bus Built-in microprocessor Electronic address coding Intelligent self-diagnosis for both open circuit and short circuit Totally isolated bus input terminal and output terminal Plug-in structural design makes installation easy and reliable Enhanced capacity of interference resistance by multilevel wave filtering process Strong