Table of Contents

FortiGate-7121F System Guide

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Hot Swapping a DC PSU

Follow these steps to safely hot swap a DC PSU.

Caution You can hot swap a PSU without powering down the FortiGate-7121F as long as three PSUs are connected to power and operating normally. If you need to hot swap one of three operating PSUs, you must power down the chassis first.
  1. Attach an ESD wrist strap to your wrist and to an ESD socket or to a bare metal surface on the chassis or frame.
  2. Turn off the power being supplied to the PSU and disconnect the power cord from the PSU.
  3. Press the latch towards the handle until the PSU is detached then pull it out of the chassis.
  4. Insert a replacement PSU into the chassis and slide it in until it locks into place.
  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. Turn on power to the PSU.
  7. Verify that the PSU status LED is solid green meaning that the PSU is powered up and operating normally.

Hot Swapping a DC PSU

Follow these steps to safely hot swap a DC PSU.

Caution You can hot swap a PSU without powering down the FortiGate-7121F as long as three PSUs are connected to power and operating normally. If you need to hot swap one of three operating PSUs, you must power down the chassis first.
  1. Attach an ESD wrist strap to your wrist and to an ESD socket or to a bare metal surface on the chassis or frame.
  2. Turn off the power being supplied to the PSU and disconnect the power cord from the PSU.
  3. Press the latch towards the handle until the PSU is detached then pull it out of the chassis.
  4. Insert a replacement PSU into the chassis and slide it in until it locks into place.
  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. Turn on power to the PSU.
  7. Verify that the PSU status LED is solid green meaning that the PSU is powered up and operating normally.