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3
Managing Individual Components
This chapter describes how to install the Field Replaceable Units (FRUs) in the Topspin 270 system.
About the Field Replaceable Units
The following Field Replaceable Units (FRUs) are a part of the Topspin 270 chassis:
• “Power Supply Modules” on page 35
• “Fan Tray Modules” on page 39
• “Fabric Controllers” on page 42
• “Line Interface Management Modules (LIM)” on page 45
• “Management Interface Modules” on page 49
• “Chassis ID Modules” on page 50
Power Supply Modules
About the Power Supply Modules
The Topspin 270 power supply units are hot-swappable. Only one power module is necessary to power
the unit; however, two power supplies are recommended for redundancy.
You can add a second module without powering off the chassis. If you have two power supply units
installed, you can remove one of them without removing power from the chassis.
About a Failed Power Supply
If you believe a power supply module has failed, contact technical support.
Do not remove a failed power supply unless you have a new power supply to install immediately, or a
blanking panel to place over the open bay as overheating may occur.