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Installing and Removing Components
Warning
Caution
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Installing Power Supplies
To install a power supply, follow these steps:
Before you begin
• To implement n+n redundancy, each PSU must be connected to a separate power grid. Otherwise, only
• There must be an earth ground connection to the chassis to which you are installing the replacement
Step 1
Holding the power supply unit with one hand underneath it and the other hand holding the handle, turn the power supply
so that its release latch is on the right side, and align the back end of the power supply (the end with the electrical
connections) to the open power supply slot.
Carefully slide the power supply unit all the way into the slot until it clicks into place.
If the power supply unit does not fit into the slot opening, turn the unit over and try again.
Note
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when
servicing. Statement 1034
During this procedure, wear grounding wrist straps to avoid ESD damage to the switch.
Installing Power Supplies, on page 31
Removing Power Supplies, on page 32
Installation and Removal of Fan Modules, on page 32
Installing a Fan Module, on page 33
Removing a Fan Module, on page 33
one power grid is required.
module. Typically, the chassis is grounded by its metal-to-metal connection with a grounded rack. If you
need to ground the chassis, see
C H A P T E R
Grounding the Switch, on page
Cisco MDS 9396V Multilayer Fabric Switch Hardware Installation Guide
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28.
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