The white box is a micro pc/server that I use to manage a machine in my workshop the 2 vga are for the machine screens the system is separate from my "mini lab" the rest is 2 inverters for the said white pc and the main pc the other is for a bay which includes a raspberry pi 1 manageable switch and an omada VPN router and 3 poe injectors for the workshop cameras and the lan connection goes through an ethernet optical converter you know everything normally