BS-420 is a complete fire alarm control panel with full operation capabilities. The panel serves as an operating panel for one or several defined operation zones. All alarm handling and system features can be controlled and monitored from the panel.

The panel can accommodate up to a maximum of 12 modules. The system offers loop driver modules for detection loops and several types of input and output units. There can be a maximum of 6 loop driver modules in each panel. All modules are easily plugged into each other on a standard mounting rail inside the unit. The panel provides connections for 2 Ethernet ports and 2 USB host ports. The panel menu operates on a 16-line display, with 40 characters per line. A built-in printer is available as an option. The panel communicates with other system units on the Ethernet-based local area network, AutroNet.

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