This Studer line out card, with part number A949.0420, is a great addition to your D21m and D23m Modular I/O System.

Using this Studer 8 - channel analog line out card is easy. First, make sure your D21m or D23m Modular I/O System is powered off. Then, carefully insert the card into the appropriate slot. After that, power on the system. When using it, avoid exposing the card to extreme temperatures or humidity. For maintenance, keep it clean and free of dust. If you notice any issues, power off the system immediately and check the connections. This card is a reliable part for your system, and following these steps will ensure its long - term performance.