The base components are door stations and Router, present in all houses.
Door station can be powered using LAN cable by PoE injector, or using a standard 12VDc Power Supply.
Here an example scheme:
As you can see it’s not a must the presence of an internal monitor (even if is recommended).
You should have one or more receiving devices from a Door station call, and they could be :
- Cabled Internal monitor both on wall or on desktop
- Smartphone or Tablet using free App
- IP Phones (video or only audio)
- Personal Computer using SIP application (our custom or free version)
These devices should be conected to the LAN as this scheme :