System Sensor M500X EngSpec

Product Isolator Module and Engineering Specifications isolator module shall be a System Sensor model number M500X Isolator modules automatically isolate wire to wire short circuits on a signaling line circuit SLC loop The module shall limit the number of modules or detectors that may be rendered inoperative a short circuit fault on the SLC Loop If a wire to wire short occurs the isolator module shall open circuit disconnect the SLC loop When the short circuit condition is the isolator module shall automatically reconnect the isolated section of the SLC loop isolator module shall not require any address setting and its operations shall be fully It shall not be necessary to replace or reset an isolator module after its normal module shall have an LED that is controlled by the panel to indicate module status Coded transmitted from the panel can cause the LED to blink latch on or latch off Refer to the panel technical documentation for module LED status operation module shall mount in a standard 4 inch square 2 1 8 deep electrical box in a surface backbox or in the fire alarm control panel The module shall use SEMS screws for easy Wiring terminals shall be easily accessible for troubleshooting while installed UL 864 Control Units and Accessories for Fire Alarm Systems Agency Standards ULC S527 Control Units for Fire Alarm Systems ANSI NFPA 72 National Fire Alarm Code 2009