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Power Supplies
The switch is powered on or off by connecting or disconnecting the power
cords.
Please review the following information concerning the power supplies:
The switch has two pre-installed DC power supplies.
The pre-installed DC power supplies have separate connectors on
the back panel. You can protect the network operations of the
switch from a power circuit failure by connecting the power
supplies to different circuits.
The switch requires only one power supply for full operations. The
second power supply provides power redundancy. It protects
against interruptions to network operations in the event one power
supply loses power or fails. Power redundancy is available only
when both DC connectors on the switch are connected to power
sources.
The power supplies are not field replaceable.
The DC supply wires should be routed from a DC load center
containing appropriate overcurrent branch protection for each DC
feed, as required by the cognizant local electrical authority.
Refer to "Power Specifications" on page 122 for the input voltage range.
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.
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AT-IE510-28GSX Installation Guide
E3
33
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