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3
Managing Individual Components
This chapter describes how to install the Field Replaceable Units (FRUs) in the Topspin 270/Cisco SFS
7008 system.
About the Field Replaceable Units
The following Field Replaceable Units (FRUs) are a part of the Topspin 270/Cisco SFS 7008 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/Cisco SFS 7008 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.