This Studer D21m Modular I/O System comes with a Madi HD Link Card and includes a proper power supply.

Using the Studer D21m Modular I/O System is easy. First, make sure to connect it to the correct power supply that comes with it. Then, you can start using it with your relevant devices through the Madi HD Link Card. When using, avoid exposing it to extreme temperatures or humid environments. For maintenance, keep it clean by using a soft cloth to wipe it regularly. Also, check the power supply and connections from time to time to ensure everything works well.