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Ground Screw
PWR 1 and PWR 2 DC Power Connectors
The ground screw is used to connect the chassis to the earth ground at the
installation site. The instructions for connecting the post are provided in
"Connecting the Grounding Wire" on page 80.
Note
The switch must be connected to an earth ground. Do not operate
the device without an earth ground.
The PWR 1 and PWR 2 connectors are for DC power supplies. You can
power the unit with one power supply or two power supplies for power
redundancy. Power redundancy protects the device from power loss in the
event a DC power unit fails or loses power.
The switches support the following types of power sources:
AC/DC rectifiers
Un-interruptible power supplies
The power supply requirements are described in "Power Supplies" on
page 47.
Allied Telesis does not sell power supplies for this product. They must be
purchased from another equipment manufacturer.
Note
The AT-iMG008 Power Supply and Backup Unit from Allied Telesis
is not compatible with the IE200 Series product.
IE200 Series Installation Guide
35
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