HEX S sftp port for WAN, port 1 to 5 for LAN

Hi,


Is it possible that I put a rj54 module in the sftp port and connect it to the WAN, and that I use port 1 to 5 for the LAN?
Right now it wil save me the cost of an extra switch…

Yes, see block diagram

this one is for when ports 1-5 are switched