39
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 69.
Fan Tray Modules

About the Fan Tray Modules

Refer to “Fan Trays” on page17 for more informati on 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 71 and “Interpreting the Fans Tab” on page87 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/Cisco SFS 7008 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.