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Figure 16. Handling the Chassis
Installing and Removing Power Supply Units
This section provides instructions for installing and removing the power supply units in the IBM SAN48C-6
switch.
Installing Power Supply Units
Before you begin
To implement n+n redundancy, each PSU must be connected to a separate power feed. Otherwise, only
one power feed is required. There must be an earth ground connection to the chassis to which you are
installing the replacement module. Typically, the chassis is grounded by its metal-to-metal connection
with a grounded rack. If you need to ground the chassis, see Grounding the Switch.
About this task
You can replace one power supply unit (PSU) while the other one provides power to the switch.
Chapter 3. Installing the IBM SAN48C-6 Switch 27
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