Figure 1: Disconnecting Power Cables from a Two-Input 160-A DC Power Supply
7. Remove the cable lugs from the terminal studs.
8. Loosen the captive screws on the cable restraints on the right edge of the power
supply faceplate.
9. Carefully move the power cables out of the way.
10. Loosen the captive screws on the lower corners of the power supply faceplate
completely. Twist the ejector handles on the upper corners of the faceplate
counterclockwise to unseat the power supply.
11. Twist the ejector handles on the upper corners of the faceplate counterclockwise
to unseat the power supply.
12. Grasp the handle on the power supply faceplate, and pull firmly to start removing
the power supply. Slide it halfway out of the chassis (see Figure 2).
WARNING: Do not touch the power connectors on the rear of the power supply (see
Figure 3). They can contain dangerous voltages.
13. Place one hand underneath the power supply to support it, and slide it completely
out of the chassis.
CAUTION: Each two-input 160-A power supply weighs approximately 23 lb (10.5 kg).
Be prepared to support the full weight of the power supply as you remove it from
the router.
Removing a T640 Two-Input 160-A Power Supply ■ 3
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