- Clear the SpeedTouch 516 to Factory State (hold small reset button on the back down for 30 seconds)
- Browse to http://192.168.1.254
- Click on the SpeedTouch menu item on the left
- Click on Set-up on the bottom right
- You will see a wizard - run through the series of steps, choosing Bridge and setting 0.35 for
  the VPI/VCI when prompted.