WF-2000 Series AIO User’s Manual (Ver. 1.2, May./2014) ------------- 364. Application NotesUsers can use a computer to communicate with the WF-2000 devicesin the application. It can complete the purpose of I/O control to wirelessnetwork by this way.Figure 4-1 WF-2000 application architecture4.1 Hardware InstallationBefore use, associated hardware configuration, the steps described asfollows:Step 1: Checking the WF-2000 series firmware operation modeIt needs to set the DIP switch to the "OP" position (operating mode),as resetting the power, WF-2000 series will be in the operation mode.Step 2: Serial port connectionWF-2000 series supports RS-232 serial communication. The circuitconfiguration is as shown in Figure 2-19.