The Dalian University of Technology campus card is a multifunctional card used by students or employees on campus, generally used for library borrowing, campus catering consumption, school bus riding and other functions. To use the Dalian University of Technology campus card as a public transportation card, the following conditions need to be met:

1. Transportation card functionality: First, make sure that the school's campus card has transportation card functionality, i.e., the contact card company's transportation card chip is built into the campus card.

2. Card top-up: When using the campus card as a transit card, the card needs to be topped up. You can go to a designated place to top up your card, usually a bus card recharge outlet, a vending machine or a mobile app.

3. Binding the campus card to the transportation card: Binding the campus card to the transportation card can be done through the bus card recharge outlets, bus card service windows and other locations.

4. Swipe on the bus: After completing the above steps, you can use your campus card as a bus card to swipe on the bus. Generally speaking, you need to place the card in the induction area above the bus card machine, and wait for a few seconds to finish swiping the card.

It is important to note that the above information is for reference only, and the exact procedure may vary by region and school policy. It is recommended that you consult your school's department or local bus company for accurate operating guidelines and related policies.