rITE I OWN THE PS2 ONLINE here this is what you need:
PS2 NETWORK ADAPTER
INTERNET 512 or Fster ( better)
Any PS2 online game, this one is the 1 i play:
what you do is get your internet enthernet wire plug into your cable box (MODEM box)
then from your ps2 you plug the network adpater to your ps2 then your enthernet goes in there and goes to your MODEM box stick the game in then plug the USB headset in the PS2 if you have 1, put the game in then play.
Central station (you need to regester a account, you get the central station disk with the network adapter)
There you go.