Connecting the EPS-150DC to a Switch

If you are connecting the EPS-150DC unit to a Summit X450a-48tDC switch, you must ground the switch before connecting power. For instructions on grounding the switch, see Grounding a Summit X250e or X450a DC-Powered Switch.

Warning

Warning

Always be sure that the DC circuit is de-energized before connecting the EPS-150DC to the switch.

One end of the EPS-150DC 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-150DC unit.
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EPS-150DC Redundant Power Cord with Connector Key
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To connect the EPS-150DC to a switch:

  1. Verify that the DC power is turned off at the source.
  2. Identify the keyed end of the redundant power cable.
  3. Holding the keyed connector so that the side labeled “Top” is facing up, connect the EPS-150DC redundant power cable to the power supply unit (see Connecting an EPS-150DC Unit to a Switch).
  4. Align and tighten the connector retaining screws to secure the cable connector to the power supply unit.
  5. Connect the other end of the redundant power cord to the Extreme switch.

    The connector fits the slot in only one direction.

  6. Align and tighten the captive retaining screws to secure the cable connector to the switch.
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    Connecting an EPS-150DC Unit to a Switch
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  7. Energize the DC circuit.

The Power LED on the front of the EPS-150DC unit turns solid green to indicate that it is ready.