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

Replacing Power Supply Module

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.

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, the 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.

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Allied Telesis AT-FAN06, AT-DC2552XS manual Replacing Power Supply Module, Tighten AT-PWR06 Captive Screws