The First Alert VISTAHISO is a VISTA H bus isolator module that separates fire keypads and other devices from burglary devices on the iBus data circuit. Isolation between fire and burglary devices is required in a Residential Fire Listed system.
The module is designed to isolate data wire and power (+/-) shorts or grounds that occur on the burglary side of the iBus circuit from interfering with communications to Fire devices connected to the iBus.
Please Note: Only one (1) VISTAHISO can be installed. This module must be installed in accordance with the National Fire alarm and Signal Code ANSI/NFPA 72, Chapter 29.
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