Ah yes, sorry long day. I wasn’t connecting hub/switch haha. No It doesn’t have to be ran through a hub/switch like said above it just let’s the MEs get their power via Ethernet rather than the wall worts.
I have figured out the issue it was with the direct out settings. I also have several mixes going as well and those I sorted out pretty quickly. First time running A&H boards and it was very poorly configured when I took over so it’s been good learning experience figuring out how to get around in the settings.