
To configure the communication settings (baud rate, parity, and data bits) for your NION-232B Fire Alarm Board, start by understanding that the factory defaults are set based on the specific application when the board was purchased. These settings are adjusted using switch S2 on the board. To modify these settings: First, locate switch S2 on the NION-232B board. Next, consult the configuration chart provided in the installation manual. This chart is essential for determining the correct settings for your specific control panel or connected device. For example, if the connected device requires 9 data bits, configure the NION-232B to 8 data bits with either Even or Odd parity. By referencing the chart in the manual and following these steps, you can successfully configure the NION-232B to communicate effectively with your fire alarm control panel.


