This Studer D21m Modular I/O System comes with a high - definition Madi Link Card. It includes a proper power supply for reliable operation.

To use this Studer D21m Modular I/O System, first connect it to the power supply included. Make sure the power supply is properly plugged in and the voltage matches. When using the Madi HD Link Card, ensure it's inserted correctly. As for maintenance, keep the system in a clean and dry place. Avoid exposing it to extreme temperatures or humidity. Check the power supply regularly for any signs of damage. If you notice any issues, stop using the system and consult a professional.