# Prepare the PLC for the MC Protocol Connection

1. From the Navigation pane, select Project and expand the Parameter node to display the PLC Parameter setting.
2. Double-click PLC Parameter to open the Parameter Setting dialog, and click on the Built-in Ethernet Port Setting tab.
3. Press the Open Settings button to launch the Built-in Ethernet Port Open Setting dialog.
4. Within line 3, set the Open System setting to MC Protocol, and the Host Station to 12288 (3000 in HEX).
5. Press the End button in the Built-in Ethernet Port Open Setting dialog, and then press the End button in the Parameter Setting dialog.
6. Once the download has completed, physically power-cycle the PLC.