My daughter and SIL just bought a used '96 Jayco 1006 popup for their first camper. He called me asking some questions. We have a Class C so I couldn't help him much. His main question was about us...
The water comes out of a hole, but you can connect a garden hose to it. You can get a blue tote for grey water,or just use a bucket. If you have hookups, just run the hose to the sewer.