Remove the Power Supplies

The router has two power supplies (either AC or DC) located at the bottom rear of the chassis (see Figure 2). Each power supply weighs approximately 20 lb (9 kg).

To remove the power supplies, follow this procedure (see Figure 26, which shows an AC power supply):

1. Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on the chassis.
2. Verify that the power switch on the faceplate of both power supplies is in the OFF (O) position.
3. Loosen the thumbscrew at each upper corner of the power supply faceplate, using a Phillips screwdriver if necessary.
4. Lift and hold up the safety interlock lever. (On an AC power supply, the lever is just below the appliance inlet. On a DC power supply, it is just below the power switch.)
5. While holding the safety interlock lever up, turn the extractor/inserter counterclockwise until the power supply disengages from the backplane.
6. Grasp the handle on the power supply faceplate and pull firmly to slide the unit about halfway out of the chassis.
7. Place one hand under the power supply to support it, then slide it completely out of the chassis.
8. Repeat Steps 3 through 7 to remove the second power supply.

Figure 26: Remove a Power Supply