Final answer:
A DC picker or tap is the Power over Ethernet (PoE) device that picks off the DC voltage injected into the CAT 5e cable and makes it available to the equipment through the regular DC power jack.
Step-by-step explanation:
The device that picks off the DC voltage that has been injected into the CAT 5e cable by the injector and makes it available to the equipment through the regular DC power jack is called a DC picker or tap. It is a Power over Ethernet (PoE) device that separates the power from the network data, allowing the powered device to connect to the power source.