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Maintain the PTX10002-36QDD Cooling System

Remove a Fan Module from the PTX10002-36QDD

We ship the router with 2+1 redundant fan modules preinstalled in the rear panel. The fan modules are hot-removable and hot-insertable field-replaceable units (FRUs): You can remove and replace them without powering off the router or disrupting router functions.

Before you remove a fan module, ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage (see Prevention of Electrostatic Discharge Damage).

Ensure that you have the following parts and tools available:

  • An ESD grounding strap—not provided

  • An antistatic bag or an antistatic mat—not provided

  • A number 1 Phillips (+) screwdriver—not provided

  • A replacement fan module

CAUTION:

Replace the fan module within 120 seconds of removal to prevent components in the chassis from overheating and shutting down. If you replace a fan module when the ambient temperature is below 96.8° F (36° C) and the power drawn by each transceiver installed in the router is below 25 W, none of the transceivers would shut down due to overheating. Before removing the fan module, ensure you have a replacement fan module available.

To remove a fan module:

  1. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of the strap to a site ESD point.
  2. Place the antistatic bag or the antistatic mat on a flat, stable surface.
  3. Using the Phillips screwdriver, loosen the locking screw (3 or 4 turns to the left).
  4. Grasp the handle on the fan module and squeeze the outside of the handle to release the module.
    Warning:

    To avoid injury, do not touch the fan with your hands or any tools as you slide the fan module out of the chassis—the fan might still be running.
  5. Pull firmly to slide the fan module halfway out of the chassis.
  6. When the fan stops spinning, slide the fan module completely out of the chassis.
  7. Place the fan module in the antistatic bag or on the antistatic mat.
Note:

When a fan module is removed, the CLI message Fan/Blower is Absent is logged in the system log, and the system raises a major alarm.

Install a Fan Module in the PTX10002-36QDD

We ship the router with 2+1 redundant fan modules preinstalled in the rear panel. The fan modules are hot-removable and hot-insertable field-replaceable units (FRUs) installed in the rear panel: You can remove and replace them without powering off the router or disrupting router functions.

Before you install a fan module, ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage (see Prevention of Electrostatic Discharge Damage).

Ensure that you have the following parts and tools available:

  • An ESD grounding strap—not provided

  • A number 1 Phillips (+) screwdriver—not provided

To install a fan module:

  1. Wrap and fasten one end of the ESD wrist strap around your bare wrist, and connect the other end of the strap to a site ESD point.
  2. Taking care not to touch the connectors, remove the fan module from its bag.
  3. Align the module with the open fan module slot on the rear panel of the router and slide it in until it is fully seated.
  4. Using the Phillips screwdriver, tighten the locking screw (3 or 4 turns to the right).