Allied Telesis AT-PWR06 User Manual

Stack Installation Guide for AT-2552XS L2 Data Center Switch

51

If a new AT-PWR06 power supply module is not available to replace 
the module you are removing, perform the procedure outlined in 
“Installing Power Supply Blank Cover” on page 51.

4. Slowly insert the new AT-PWR06 power supply module into the PSU 

slot until it is flush with the front of the chassis.

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

chassis.

6. Turn the power on to the newly installed AT-PWR06 power supply 

module by connecting the AC power cord.

If you have removed an AT-PWR06 power supply module from the chassis 
and a replacement power supply module is not available, the blank power 
supply cover should be installed to insure proper airflow in the chassis.

The PSU blank cover should be installed if an AT-PWR06 power 
supply module is not installed in the power supply slot. This blank 
cover assures that the correct airflow across the components within 
the chassis when a power supply module is not installed.

Perform the following procedure to install the blank power supply cover:

1. Locate the blank power supply cover that was originally shipped with 

the chassis.

2. Remove the AT-PWR06 power supply module by following steps 1 - 3 

in “Replacing Power Supply Module” on page 50. 

3. Once the AT-PWR06 power supply module has been removed, place 

the blank power supply cover over the vacant power supply slot.

4. Tighten the captive screws on the power supply blank cover.