Ul and fm approval. Notifier nfs, 320 is engineered specifically for small applications. Its features minimize installation time, Enable faster response times and simplify maintenance and usability. The nfs, 320 offers all the sophistication and performance synonymous with the but on, Onyx series a smaller scale. One isolated intelligent signal circuit, Up to 159 detectors and 10 independent releasing zones. 318 addresses for one loop or 3180 addresses for 10 loops. 640 character lcd display. Zone indication and control panel for 32 zones gives a quick indication of the site of an alarm. Record capacity of 3000 historical events with date/time stamp. Integral power supply and battery. Integral printer an standalone programmable conventional sounder circuit output. Flexible and intuitive cause and effect programming on front of panel. Output module manual start/stop facilitates the commissioning and operating. It supports the detector/module testing individually. Usb port makes the load and save of configuration data or historical data convenient for system commissioning and maintenance. Networkable ncm for interconnection reaching up to 264 facps