Cisco 9000 Series Installing - Pagina 16

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Removing Power Supply Units

• There must be an earth ground connection to the chassis to which you are installing the replacement

Step 1

Holding the PSU with one hand underneath it and the other hand holding the handle, turn the PSU so that its release latch

is on the right side, and align the back end (the end with the electrical connections) to the open power supply slot. Carefully

slide the PSU all the way into the slot until it clicks into place.

If the PSU does not fit into the slot opening, turn the unit over and try again.

Note

Step 2

Test the installation by trying to pull the PSU out of the slot without using the release latch.

If the PSU does not move out of place, it is secured in the slot. If the PSU moves, carefully press it all the way into the

slot until it clicks in place.

Step 3

Attach the power cable to the power socket on the front of the PSU.

Step 4

Make sure that the other end of the power cable is attached to the appropriate power feed for the PSU. If the power feed

has a switch, slide it to the On position.

Note

Depending on the outlet socket on your power distribution unit, you might need the optional jumper cable

to connect the switch to the outlet socket.

Step 5

Verify that the PSU is operational by making sure that the PSU LEDs are both green. For information on what the PSU

LEDs indicate, see the

Removing Power Supply Units

You can remove one faulty PSU, and the other one will provide enough power to operate the switch.

Step 1

Holding the plug for the power cable, pull the plug out from the power socket on the PSU, and wait until both the PSU

LEDs are off.

Step 2

Grasp the PSU handle while pressing the release latch towards the handle.

Step 3

Place your other hand under the PSU to support it while you slide it out of the chassis.

Do not touch the electrical connectors on the back side of the unit and prevent anything else from coming

Caution

into contact with and damaging the connectors.

Installing and Removing Fan Modules

This section provides instructions for installing and removing the fan modules for the switch.

You can replace one of the four fan modules even when the switch is operating so long as you perform the

replacement within one minute of removing the old fan module. If you cannot perform the replacement within

one minute, leave the original fan module in the chassis to maintain the designed airflow until you have the

replacement fan module on hand and can perform the replacement.

Installing the Cisco MDS 9148V-K9 Switch

module. Typically, the chassis is grounded by its metal-to-metal connection with a grounded rack. If you

need to ground the chassis, see

Switch LEDs

section.

Grounding the

Switch.

Installing the Cisco MDS 9148V-K9 Switch