Sennheiser Evolution Wireless Digital Series Instruction Manual page 87

To completely disconnect the receiver from the power supply
system:
Unplug the power supply unit from the wall socket.
▷
Unplug the power supply unit from the DC in socket on the
▷
receiver.
Power over Ethernet (PoE)
The receiver can be powered via Power over Ethernet (PoE
IEEE 802.3af Class 0).
Connect the receiver to a PoE-enabled network switch.
▷
EW-DX EM 2 rack receiver
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