Description
The XTRI Series Addressable Modules from Siemens Industry, Inc. interface direct shorting devices to the device loop circuit of the Siemens Desigo and Cerberus PRO Fire Alarm Systems.
The XTRI modules support two operation modes: polarity insensitive mode and isolator mode. The module can be wired for either mode. During the isolator mode, the built-in dual isolators will work at both sides of the module to isolate the line short in front or behind the module.
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