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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.

In most cases, vital information can be recovered from the failed module. If you have the appropriate support agreement, you may want to return the unit for diagnosis. Refer to “Vital Product Data Storage” on page 20.

Locating the Power Supply Module

Both power supply units are located on the front of the chassis. When facing the front of the switch with

the bezel cover removed, the power modules are located in the top center bays of the Topspin 270/Cisco

SFS 7008 chassis. Refer to Figure 1-1for a diagram of the chassis.

Removing a Power Supply Module

Caution: Do not remove a Power Supply module without first loosening the screws with a phillips screw driver.

1.Ground yourself appropriately.

2.Verify that you have a means of covering the slot before removing the module. Do not remove a failed power supply unless you have a replacement or a blanking panel to install in its place, as overheating may occur.

3.Make sure you have a #1 phillips screwdriver to disengage the fasteners.

Never place your hand inside an empty card or module bay. You should never have cause to place a hand anywhere inside the Topspin 270/Cisco SFS 7008 chassis.

4.Remove the bezel cover from the front of the switch.

5.Locate the power supply that you want to remove. Refer to “Power Supply LEDs” on page 69.

If you have two power supply modules installed, you can remove one of them without removing power from the chassis. However, before removing a power supply, make sure that the redundant power supply has the corresponding power cord installed. Each power supply is supported by a the power cord that is directly behind it on the chassis.

6.Determine the power cord that is linked to the power supply module you want to remove. The power cord and its corresponding power supply are situated in tandem, on the same half of the chassis.

CAUTION: Make sure you do not remove the power cord of the functioning power supply.

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Cisco Systems 7008, 270 manual Removing a Power Supply Module, About a Failed Power Supply, Locating the Power Supply Module

270, 7008 specifications

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