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7. Insert the new power supply unit into the open slot until it is fully seated. You may need to push the
unit with your thumbs to get it completely into the bay.
Figure 3-4: Inserting Power Supply Module
8. Secure the captive screws with a #1 phillips screwdriver.
9. Check the LEDs on the power supply to verify the status of the module. Refer to “Power Supply
LEDs” on page 67.
Fan Tray Modules
About the Fan Tray Modules
Refer to “Fan Trays” on page 17 for more information about the fan tray modules.
About a Failed Fan Tray
If you believe a fan module has failed, contact technical support.
Refer to “Fan LEDs” on page 69 and “Interpreting the Fans Tab” on page 85 for monitoring
information.
Locating the Fan Tray
Both fan modules are located on the front of the chassis. When facing the front of the switch with the
bezel cover removed, the fan modules are located in the left and right receptacles of the Topspin 270
chassis. The slots are labelled on the chassis.
Refer to Figure 1-1 for a diagram of the chassis.
Removing a Fan Module
Note: Do not remove Fan module without first loosening the screws with a phillips screwdriver.
1. Ground yourself appropriately.
2. Verify that you have a means of covering the slot before removing the module. Do not remove the
module unless you have a replacement or a blanking panel for the slot, as overheating may occur.
3. Remove the bezel cover from the front of the switch, if you have not already done so.