Instructions
Go to "Settings" on the PlayStation 3 XMB home menu. Scroll down to "Internet Connection Settings" and click the "X" button on the wireless PlayStation 3 controller.
Select "Yes" on the confirmation screen. Highlight the "Custom" option and press the "X" button to continue.
Select "Wired" or "Wireless" as your connection type and continue. Proceed through the configuration screens with the directional buttons on the PlayStation 3 controller.
Choose "Manual" and press the right directional button when you reach the IP configuration screen. Enter your static IP into the blanks provided with the on-screen keyboard.
Review your settings before you continue. Press the "X" button on the PlayStation 3 controller to save your Internet connection settings. Press the "X" button again to test the Internet configuration.