Allied Telesis X8112 - page 168

Chapter 7: Powering On the Chassis
168
Figure 122. Connecting the Positive (+) Power Wire with a Right Angle
Terminal
7. With a #3 Phillips-head screwdriver, connect the negative (-) power
lead wire to the negative terminal on the power supply, with the
remaining terminal screw removed in step 5. The negative terminal is
on the right. Refer to Figure 123 on page 169.
Allied Telesis recommends tightening the screw to 30 to 40 inch-lbs.