f) Verify that the fan tray and fabric module STATUS LEDs (on the fan tray) turn on and become green.
Installing or Replacing Power Supplies
The number of 3-kW and 3.15-kW power supplies that you install depends on the power requirements of the
switch. It also depends on the power mode that you are using. To determine the power requirements of the
switch, see the Power Requirements for Switch Modules section.
If you are using only one power source for the combined mode or n+1 redundancy mode, you can install the
power supplies in any of the power supply slots on the chassis. If you are using two power sources for the
n+n redundancy mode, you must connect the power supplies in slots 1 through 4 to one power source and the
power supplies in slots 5 through 8 to the other power source. With n+n redundancy mode, divide the power
supplies evenly between the first half of the slots and the last half of the slots. The amount of redundant power
for the switch equals the amount of available power for the switch.
Statement 1034—Backplane Voltage
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution
when servicing.
Warning
Statement 1029—Blank Faceplates and Cover Panels
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous
voltages and currents inside the chassis; they contain electromagnetic interference (EMI) that might
disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not operate the
system unless all cards, faceplates, front covers, and rear covers are in place.
Warning
You can install or replace any of the following Cisco Nexus 9500 Series power supplies in this switch:
• 3-kW AC Power Supply
• 3-kW Universal AC/DC Power Supply
• 3.15-kW Dual Input Universal AC/DC Power Supply
• 3-kW DC Power Supply
Installing or Replacing a 3-kW AC Power Supply
Before you begin
• The AC power source must be installed within reach of the power cables.
• The AC power source meets the power specifications that the switch requires.
• There are one or two AC power sources available. If using n+n redundancy, there must be two power
sources available. Otherwise, only one power source is required.
Cisco Nexus 9508 NX-OS Mode Switch Hardware Installation Guide
96
Replacing or Installing Modules, Fan Trays, and Power Supplies
Installing or Replacing Power Supplies
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