Does anyone know if its possible to combine my own existing mesh (wired backhaul) with the FTTR?

Most of the rooms in my house is already connected with a LAN cable, except for 2 rooms. So I’m hoping to install FTTR for those 2 rooms.

My current set up is like this:

Modem > ASUS router (AP mode) > LAN Switch > Mesh node (wired, bridge mode) in each room

To add the the FTTR, can I just connect the main node to the LAN switch, then set the child nodes with the same SSID as my existing mesh?

Reason why I don’t use additional wireless mesh in those 2 rooms is because the walls are too thick, it can’t keep a stable connection with the other nodes.

Not full mesh meaning my wireless device may not do the handoff nicely between the the FTTR node and my existing mesh?

I see, so the Master FTTR is a modem as well. My ASUS router is just there because I’m used to its settings. If I don’t need it, would the below work?

1. Master FTTR > child node FTTR
2. Master FTTR > LAN Switch > existing mesh node (wired, bridge mode)

Thanks for the clarification. I’m not trying to mesh up different models, I just want to have different access points throughout the house. I guess what I’m trying to ask is if the main node works like a normal router, where I can connect a network switch with an ethernet cable?

I’m fine with FTTR on the rooms without the LAN cables, but I still want to make sure I can use the existing LAN ports in the other rooms.

What about the FTTR main router, can it also be set to bridge mode?