Main deco does connect to the below switch.
https://www.amazon.com/HP-J9560A-ABA-Procurve-1410-16G/dp/B003QR1DBO
it's 10/100/1000. The Amplifi is also connected to it.
Cables are Cat5e or cat6 between the nodes
Thanks for the help! I am just wondering if I should ditch decos and go with 2 Amplifis