Replacing A Power Supply Module; Removing An Ac Power Supply - Cisco Nexus 9396PX Hardware Installation Manual

Replacing a Power Supply Module

If you are not able to push the module all the way into the slot, carefully slide the module out of the slot
Note
and check its electrical connectors for damage. If damaged, contact Cisco Technical Assistance for help.
If undamaged, repeat this step to reinstall the module.
d) Verify that the STS LED turns on and becomes green.
If the STS LED does not turn on, slide the module out of the chassis, and visually check the electrical connectors on
the back side of the chassis for damage. If damaged, contact Cisco Technical Assistance for help. If undamaged,
repeat the previous step to reinstall the module.
e) Secure the fan module to the chassis by screwing in the captive screw to the chassis. Tighten the screw to 5 to 7 in-lb
(0.56 to 0.79 N·m).
Replacing a Power Supply Module
The switch requires two power supplies for redundancy. With one power supply providing the necessary
power for operations, you can replace the other power supply during operations so long as the new power
supply has the same airflow direction as the other modules in the chassis.
You can replace a power supply with another supported power supply that has the same power source type
(AC or DC) and the same wattage rating as the other installed power supply. Additionally, the airflow direction
of the power supply must match the airflow direction of the installed fan modules. For the airflow direction
used by the switch, see the coloring of the fan modules. The following list describes the power supplies
supported by this switch.
• N9K-PAC-650W-B (650-W, port-side exhaust (blue latch) power supply requiring an AC power source)
• N9K-PAC-650W (650-W, port-side intake (burgundy latch) power supply requiring an AC power source)
• UCS-PSU-6332-DC (930-W, port-side exhaust (blue latch) power supply requiring DC power source)
• UCSC-PSU-930WDC (930-W, port-side intake (burgundy latch) power supply requiring DC power

Removing an AC Power Supply

To remove an AC power supply, you must first disconnect the power cable and then remove the module from
the chassis.
Before you begin
• To replace a power supply during operations, you must have a functioning power supply providing power
• Ensure that the chassis is grounded. For grounding instructions, see
Cisco Nexus 9396PX ACI-Mode Switch Hardware Installation Guide
38
source)
to the switch while you replace the other power supply. If there is only one power supply installed in the
switch and you need to replace it, install the new power supply in the open slot and power it up before
removing the original power supply.
Replacing Modules
Grounding the Chassis, on page 23.