How do you access the access point on psp?

If there's no access point, it can't access the internet, simple as that.

I have had very good luck with both. It depends on your need and configuration. In the server rooms we had all powered equipment, in several outlying locations (within the building) we added POE hubs...

An access point is a point of acces for an electronic device to connest to the internet, such as a laptop or mobile phone.

Access means getting in to something, gaining entrance. So a door is an access point to a house. Gated communities have an access point at the gate. There are many other types of access...

It means that something went wrong with the wireless connection and that it couldn't connect. You either need to be closer to the wireless modem or the modem needs to be on. Sometimes you can't...