Add the NK823x COM3-COM4 Expansion
(Optional) Add the COM3-COM4 Expansion Board
Do this procedure if the NK823x is equipped with the expansion board that adds the COM3 and COM4 serial ports.
- In System Browser, select Project > Field Networks > [BACnet Network] > [NK823x].
- Select the NK8000 tab.
- Click New and select New Expansion Board.
- The Expansion Board object is added to System Browser, with COM 3 and COM 4 ports under it.