If you need to change the airflow direction of the switch modules, you must shut down the switch before
changing all of the modules to modules using the other airflow direction.
Note
You can replace a power supply with another supported power supply that has the same power source type
(AC, DC, HVAC, or HVDC) and the same wattage rating as the other installed power supply. Additionally,
the airflow direction of the power supply must match or conform to 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.
•
NXA-PAC-500W-PE (500-W, port-side exhaust (blue latch) power supply requiring AC power source
providing at least 16 A)
•
NXA-PAC-500W-PI (500-W, port-side intake (burgundy latch) power supply requiring AC power
source providing at least 16 A)
•
N9K-PUV-1200W (1200-W, dual-direction (white latch) high-voltage AC/DC power supply requiring
a high-voltage AC or DC power source providing at least 16 A)
•
NXA-PDC-930W-PE (930-W, port-side exhaust (blue latch) power supply requiring DC power source
providing at least 16 A)
•
NXA-PDC-930W-PI (930-W, port-side intake (burgundy latch) power supply requiring DC power
source providing at least 16 A)
Replacing an AC Power Supply
You can replace an AC power supply during operations so long as the other power supply provides to the
switch.
Before You Begin
•
The replacement power supply must have the same wattage and airflow direction as the power supply
being replaced. Do not mix AC, DC, HVAC/HVDC power supplies in the same switch.
You can determine the airflow direction by looking at the coloring of the latch on each
power supply. AC power supplies with burgundy latches have port-side intake airflow
direction, and power supplies with blue latches have port-side exhaust airflow direction.
Note
•
An AC power source must be within reach of the power cable that will be used with the replacement
power supply. If you are using n+n power redundancy, there must be a separate power source for each
power supply installed in the chassis.
•
There must be an earth ground connection to the chassis that you are installing the replacement module.
AC power supplies connected to AC power sources are automatically grounded through their power
cable.
Step 1
Remove an AC power supply as follows:
Cisco Nexus 93180YC-FX NX-OS Mode Switch Hardware Installation Guide
31
Replacing Components
Replacing an AC Power Supply
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