This Yamaha DIO8 Digital I/O Box comes without cards. It has only undergone a power test. The package includes the correct power supply.

Using the Yamaha DIO8 Digital I/O Box is straightforward. First, connect it to the correct power supply that comes with it. Then, you can start using it for your digital input - output needs. When using, make sure the power supply is stable to avoid any malfunctions. For maintenance, keep it in a dry and clean place. Regularly check the connections to ensure they are secure. If you notice any signs of damage or irregularities, stop using it immediately and seek professional help.