This Aviom A-Net card from Studer, part number A949.0446, is a great addition for D21m and D23m modular I/O systems.

Using this Aviom A - Net card is easy. Just install it properly in your Studer D21m or D23m modular I/O system according to the system's installation guide. When using it, make sure the power supply is stable. Avoid using it in extremely hot or cold environments. For maintenance, keep it clean and free from dust. You can gently wipe it with a soft, dry cloth every few months to ensure it works well for a long time.