Connecting the EPS-500 Power Supply

Caution

Caution

Do not attach the AC power cord to the EPS-500 unit until the unit is properly grounded at the electrical outlet and the redundant power cord is connected.
One end of the EPS-500 cord has a keyed connector to ensure correct alignment of the connector. The key is a plastic tab on the connector housing that fits into the EPS-500 unit.
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EPS-500 Redundant Power Cord with Connector Key
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  1. Connect the keyed end of the EPS-500 redundant power cord to the power supply unit (see Connecting an EPS-500 Unit to a Switch).
  2. Connect the other end of the redundant power cord to the Extreme switch.

    The connector fits the slot in only one direction.

    Note

    Note

    If your switch was shipped with a metal cover plate over the redundant power input connector, remove the cover.
    Warning

    Warning

    The redundant power input connector on the rear of the switch contains high energy and is a burn hazard. Use care when connecting the redundant power supply cord to the rear of the switch.
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    Connecting an EPS-500 Unit to a Switch
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  3. Connect an appropriate AC input power cord to the AC connector on the EPS-500 unit.
    Note

    Note

    An AC power cord is not provided with the EPS-500 unit. See Power Cord Requirements for AC-Powered Switches and AC Power Supplies for information about selecting a power cord.
    Caution

    Caution

    The EPS-500 unit does not have a switch for turning the unit on and off. Disconnect power to the EPS-500 unit by removing the plug from the electrical outlet. Be sure that this connection is where you can easily reach it.
  4. Connect the other end of the AC power cord to the electrical outlet.

    Be sure that the electrical outlet is properly grounded.

The Power LED on the front of the EPS-500 unit should light solid green to indicate that it is ready.