@moloko I found a funny way to say the least my second floor always connected to basement ( main deco) and skips the 1st floor ( wired to main deck) the solution , placed the basement deco In covered...

@moloko I got DecoM9 Plus (3 pack) and it's a great set. I have 3cx system ( only configurable as Static IP) and there should be a way (aka feature) to enter the IP address manually I could install...