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Removing a Fan Tray from an EX-series Switch

EX-series switches have a single field-replaceable unit (FRU) fan tray on the rear panel. The fan tray is hot-removable and hot-insertable FRU: you can remove and replace it while the switch is functioning without turning off power to the switch or disrupting switch functions.

Ensure you have the following tools and parts available to remove a fan tray from an EX-series switch chassis:

Ensure you understand how to prevent ESD damage (see Preventing Electrostatic Discharge Damage).

To remove a fan tray from an EX-series switch (see Figure 49 and Figure 50):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.
  2. Loosen the screw or screws securing the fan tray by using a Phillips (+) screwdriver, number 2.

    Warning: To avoid injury, do not touch the fan with your hands or any tools as you slide the fan tray out of the chassis—the fan may still be running.

  3. Grasp the handle on the fan tray and pull firmly to slide the fan tray halfway out of the chassis.
  4. When the fan stops spinning, slide the fan tray completely out of the chassis.
  5. Place the fan tray in the electrostatic bag or on the antistatic mat.

Figure 49: Removing a Fan Tray from an EX 3200 Switch

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Figure 50: Removing a Fan Tray from an EX 4200 Switch

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