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AT-PWR06 Power Supply Module
The AT-DC2552XS / L3 Enterprise Core 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 22.
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.
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
Refer to "Power Specifications" on page 92 for the input power
specifications.
A view of the AT-PWR06 power supply module is shown in Figure 9.
Captive
Screws
Figure 9. AT-PWR06 Power Supply Module
AT-DC2552XS / L3 Enterprise Core Switch Installation Guide
AC Power
LED
Power
Connector
E3
Intake
Air Vents
Handle
31
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