Cisco Nexus 9516 Hardware Installation Manual page 84

Installing or Replacing a 3-kW DC Power Supply
1. Shut off the power supply by setting its power switch to 0.
2. Shut off the power from the power source by turning off the circuit breaker for each of the two input lines to the
power supply.
Verify that the LEDs on the power supply turn off.
b) Disconnect the power cables from the power supply as follows:
1. Remove the three screws on the safety cover for the terminal box that is located on the front of the power supply.
Then pull the cover off the terminal box as shown in the following figure.
The terminal box has four slots for four power terminals (ordered as negative [-], positive [+], positive
Note
[+], and negative [-]). Each terminal has two nuts that you use to fasten a power cable to the terminal.
1
2. Unscrew the two nuts holding each of the four cables to the terminal box. Remove the cables and replace the nuts
on the two posts in each of the slots.
3. Replace the safety cover on the terminal box and secure it in place with three screws.
c) Remove the power supply from the chassis as follows:
1. Slide the middle of the ejector lever toward the end of the lever and rotate the lever away from the chassis.
The power supply unlocks from the chassis and moves out slightly.
Cisco Nexus 9516 ACI-Mode Switch Hardware Installation Guide
74
Remove 3 screws from the
safety cover.
Replacing or Installing Modules, Fan Trays, and Power Supplies
2 Remove the cover.