I previously had 12 POE CCTV cameras connected to a Brocade PoE switch. The switch overheated and heated up the server room very much. I mainly used this switch to reduce the load on the PoE switch. As an added benefit, this injector generates MUCH less heat than a Brocade PoE switch. The power supply (brick) of this device is massive. What you see in the picture is scaled compared to the switch. So this not only solved my problem but also fixed something else that I wasn't expecting. Excellent purchase
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