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12 ports passive POE panel
Passive and 802.3af POE uses pins 4/5 for plus power, and 7/8 for ground.
Many popular devices like Ubiquiti use this method to centralize the power source - you can go for 328 ft with a 24v supply to a typical Access Point.
Connect the power supply you need (24v for Ubiquiti, 48v for 802.3at or 802.3af) and reduce the mess of cables. Reboot all 12 devices from one central location.
12 ports passive POE panel