Q: new iPod and trying to connect to network-my 6 digit password doesn't work

What security are you using for the router?

Recommended settings for Wi-Fi routers and access points - Apple Support

It sounds like y are not getting the Join button to change/be active. If so that means that you are not entering the required number of characters for the network password. That happen when you use WEP security and enter the paraphrase instead of the hexadecimal password that the router generates fro the paraphrase