This Studer 8-channel analog line out card, with part number A949.0420, is a great addition to the D21m and D23m modular I/O system. It provides reliable analog output for your setup.

To use this Studer 8-channel analog line out card, first make sure your D21m or D23m modular I/O system is powered off. Then carefully insert the card into the appropriate slot in the system. Once inserted, power on the system. During normal use, avoid exposing the card to extreme temperatures or moisture. For maintenance, keep the card clean by gently blowing away any dust every few months. If you encounter any issues, contact Studer support.