If IP address of your PC and WIZ550io are different, you need to configure your PC network setting.

• Click on the Start Menu and open the Control Panel.
• Enter to 'Network and Internet' and enter to Network and Sharing Center.

• Click 'Change adapter settings at left side.

  

• Double click Local Area Connection icon and click Properties and enter IPv4 Properties.

  

• Then, set your IP address and subnet mask as same as WIZ550io's IP address and subnet mask.

• Or, you can add IP address by setting Advanced. Click Advanced.. button.

  

• Click Add... button and add IP address and subnet mask.