Allied Telesis AT-PWR06 User Manual

Page of 84
Chapter 1: Overview
30
AT-PWR06 Power Supply Module
The AT-DC2552XS L2 Data Center Switch is powered by one AT-PWR06 
power supply module. A second AT-PWR06 power supply module may be 
installed for redundancy. The power supply module has an AC connector 
on the power supply module panel and is installed by the user in slot PS1 
or slot PS2. The location of these slots is shown in Figure 2 on page 20.
When two power supplies are installed and operating, only one power 
supply is active at a time. The second power supply operates in a 
redundant state and is automatically activated by the switch if the active 
power supply loses power or fails. The change over is instantaneous and 
has no effect on the Ethernet data being passed through the chassis.
Warning
Power cord is used as a disconnection device. To de-energize 
equipment, disconnect the power cord.  E3
Warning
This unit might have more than one power cord. To reduce the risk 
of electric shock, disconnect all power cords before servicing the 
unit.  E30
A view of the AT-PWR06 power supply module is shown in Figure 9.
Figure 9. AT-PWR06 Power Supply Module
Captive Intake 
Handle
Power 
Connector
AC Power 
LED
Screws
Air Vents