It is possible to replace the current video Home + Security unit with the Classe 300 EOS:
- Villa or mono & two-family context: replacement without modification of the video door wiring
- Multi-family condominium or context: depending on the characteristics of your system, it might be sufficient to replace the apartment station or it could be necessary to add a dedicated power supply cod.346020
For the sizing of multi-family systems, refer to the General Installation Rules of the 2-Wire System Technical Guide