SMA SB 2000HF-30 Installation - Manual (Page 32)

The Communication Module (Quick Module) SMA Solar Technology AG
32 SB20HF-30HF-IA-en-32 Installation Manual
8. Push the Quick Module upwards in the guide slot
until it clicks into place.
9. Check that the Quick Module is correctly seated.
The loops of the Quick Module and the retainer
must be positioned flush on top of each other.
10. Connect the AC plug.
11. Check the DC connectors for correct polarity and
connect them.