How Can I Get My Ps2 To Go Online What Parts Are Needed

You need the Network Adapter and you have to sign up and pay money/ month
http://au.ps2.ign.com/articles/366/366021p1.html
f you are hooking it up to a DSL cable/modem,
1. Remove the sticker covering the network connector on the Network Adaptor and
plug your Ethernet cable in the connector labeled NETWORK.
2. Plug the AC power cord for the PlayStation2 system into an electrical outlet.
3. Turn on the PlayStation2 system and start the Network Adaptor Start-up Disc.
If you are hooking it up to a router:
1. Remove the sticker covering the network connector of the Network Adaptor.
2. Connect an Ethernet network cable from the NETWORK connector of the Network Adaptor to an available LAN port of the router.
3. Connect the WAN port of the router to the DSL or cable modem.
4. Connect a personal computer (not pictured) to an available LAN port of the
router. Use a web browser on the PC to set up the router to reach the
Internet.
5. Follow the specific instructions that come with the router. There is no additional installation for switches.
If you are hooking it up to a LAN:
1. Remove the sticker covering the network connector of the Network Adaptor.
2. Connect an Ethernet network cable from the NETWORK connector of the Network Adaptor to a wireless Ethernet bridge.
3. Connect the WAN port of the wireless router to the DSL or cable modem.
4. Connect a personal computer to the router. Use a web browser on
the PC to set up the router to reach the Internet.
5. Follow the specific instructions that come with the router.
For pictures, see the thread here:
http://www.funadvice.com/r/3js7klmkua