It is a smaller power supply. 12V, 1.3 Amps (continuous). Max power consumption is rated at 3W for the 750UP, so it should only be drawing 0.25A though, with no POE devices connected. The Groove uses up to 4.56W, or 0.38A at 12V. The strange light problem goes away when I plug in the Groove anyway.

I've noticed something strange on my 750UPs. I've tested this on three of them. I'm running 5.22. PoE comtroller is upgraded to 2.1. PoE is set to auto on all ports. When I have 2 or more non-poe devices plugged into the LAN ports, the remaining unused LAN ports blink red. Nothing is plugged into th...

I seem to be having some problems with the POE controller 2.0 firmware. On a 750UP, I upgraded to 5.21, and then manually upgraded the POE controller to 2.0. I'm only using POE out on ether5. Now, whenever ANYTHING is plugged into ether3, ether5 POE cycles power on and off, rebooting the connected G...