5. Grounding the Device. Grounding will help to prevent the noise effect due to electromagnetic interference
(EMI). Connect the device to the site ground wire by the grounding screw before powering on.
6. Power Supply installation. Following to the color of the head, connect the cable marked red to the positive
pole through a terminal block, and connect the yellow one to the negative in the same way. The last step is to
plug the power adapter into your socket.
Note: The range of power voltage is 9 to 60V DC.