This unit comes without a power supply. It has two C3COM - 3 cards installed and has only undergone power - testing. Key features: No power supply included.

Using this Crestron CEN - CI3 - 3 Card Interface is straightforward. First, make sure you have your own suitable power supply as it's not included. Then, install the two pre - installed C3COM - 3 cards properly in your setup. When using, always keep an eye on the power source stability. As for maintenance, keep the interface clean and free from dust. Avoid exposing it to extreme temperatures and moisture. If you encounter any issues, it's advisable to seek professional help.