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FortiGate-7121F System Guide

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Connecting a FortiGate-7121F DC PSU to DC power

The following procedure describes how to connect a FortiGate-7121F DC PSU to DC power. Repeat this procedure to connect each PSU.

You need the following equipment to connect the FortiGate-7121F DC PSUs to DC power:

  • An electrostatic discharge (ESD) preventive wrist strap with connection cord.
  • One of the supplied DC power cables, that include a two prong connector with a release tab on one end and black and red double hole lug plates on the other end. Black for -48V and red for RTN.
To connect a DC PSU to DC power
  1. Attach the ESD wrist strap to your wrist and to an ESD socket or to a bare metal surface on the chassis or frame.
  2. Make sure that the PSU and power cords are not energized.
  3. Connect the black -48V power wire to your -48V DC power source using the ring terminal.
  4. Connect the red RTN power wire from to your RTN connector using the ring terminal.
  5. Plug the power cable into the FortiGate-7121F PSU connector.

    Slide the connector in until the release tab clicks, locking the cable in place.

  6. Make sure the power wires are secured using tie wraps if required.
  7. If required, label the black wire -48V.
  8. If required, label the red wire RTN.
  9. Turn on power to the PSU.
  10. Verify that the PSU status LED is solid green meaning that the PSU is powered up and operating normally.

Connecting a FortiGate-7121F DC PSU to DC power

The following procedure describes how to connect a FortiGate-7121F DC PSU to DC power. Repeat this procedure to connect each PSU.

You need the following equipment to connect the FortiGate-7121F DC PSUs to DC power:

  • An electrostatic discharge (ESD) preventive wrist strap with connection cord.
  • One of the supplied DC power cables, that include a two prong connector with a release tab on one end and black and red double hole lug plates on the other end. Black for -48V and red for RTN.
To connect a DC PSU to DC power
  1. Attach the ESD wrist strap to your wrist and to an ESD socket or to a bare metal surface on the chassis or frame.
  2. Make sure that the PSU and power cords are not energized.
  3. Connect the black -48V power wire to your -48V DC power source using the ring terminal.
  4. Connect the red RTN power wire from to your RTN connector using the ring terminal.
  5. Plug the power cable into the FortiGate-7121F PSU connector.

    Slide the connector in until the release tab clicks, locking the cable in place.

  6. Make sure the power wires are secured using tie wraps if required.
  7. If required, label the black wire -48V.
  8. If required, label the red wire RTN.
  9. Turn on power to the PSU.
  10. Verify that the PSU status LED is solid green meaning that the PSU is powered up and operating normally.