Sorry for wasting your time, guys, but I’m only beginner in this field. I need help with my net configuration. 4-6 terminals () handle with one device through their routers (with providers connections to internet on-board) . I try to configure microtic CRS210 to connect it together so that the terminals cannot see each other.

Need more information!
I am not sure what you want to achieve, but with your setup the devices cannot see each other because they are not in the same subnet. Even if you place them on the same vlan on the switch.