User Guide

Chapter 3: Installing the Switch and Modules

5. Tighten the captive screws to fasten of the power supply module to the

chassis. See Figure 20.

Figure 20. Tighten AT-PWR06 Captive Screws

6. The next step in the installation process is installing the fan modules.

Go to “Installing Fan Module” on page 52 for the installation

procedure.

Replacing Power

Supply Module

The AT-PWR06 power supply module is hot swappable within the chassis

assuming a second AT-PWR06 power supply module is already installed

and operating.

Perform the following procedure to replace a AT-PWR06 power supply

module:

Caution

If a replacement AT-PWR06 power supply module is not

immediately available for a redundant power supply, t he PSU blank

cover should be installed in its place. This blank cover assures that

the correct airflow across the components within the chassis when a

power supply module is not installed. See “Installing Power Supply

Blank Cover” on page 51.

1. Turn off the power to the AT-PWR06 power supply module by

disconnecting the AC power cord. See “Turn Off the switch” on

page 68.

2. Loosen the captive screws on the AT-PWR06 power supply module.

3. Gently pull the handle of the AT-PWR06 power supply module to

remove the module from the chassis.