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Maintaining the EX6210 Cooling System

 

Removing a Fan Tray from an EX6210 Switch

An EX6210 switch has a single, field-replaceable fan tray. The fan tray is a hot-removable and hot-insertable field-replaceable unit (FRU); you can remove and replace the fan tray while the switch is running without turning off power to the switch or disrupting switching functions.

Caution

Do not remove the fan tray unless you have a replacement fan tray available.

The fan tray is installed vertically on the right side on the rear of the chassis.

Before you remove a fan tray:

Ensure that you have the following parts and tools available to remove the fan tray from the switch chassis:

  • Electrostatic discharge (ESD) grounding strap

  • Replacement fan tray

  • Phillips (+) screwdriver, number 2



Caution

The fan tray can be removed and replaced while the switch is operating. However, the fan tray must be replaced within 2 minutes of removing the fan tray, at room temperature, to prevent overheating of the chassis.

To remove a fan tray from the switch chassis (see Figure 1):

  1. Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.

  2. Unscrew the four captive screws, one in each corner of the fan tray faceplate, by turning them counterclockwise, using the Phillips (+) screwdriver, until all screws are completely unseated.

  3. Caution

    Be ready to support the weight of the fan tray on the top handle when the fan tray is pulled out of the chassis to prevent the bottom of the fan tray from hitting the chassis.

    Warning

    To avoid injury, do not touch the fans with your hands or any tools as you slide the fan tray out of the chassis—the fans might still be spinning.

    Hold the top handle of the fan tray with one hand while holding the bottom handle with the other. Pull firmly on the handles to slide the fan tray out of the chassis.

Figure 1: Removing a Fan Tray from an EX6210 Switch
Removing a Fan Tray from
an EX6210 Switch

Installing a Fan Tray in an EX6210 Switch

An EX6210 switch has a single, field-replaceable fan tray. The fan tray is a hot-insertable and hot-removable field-replaceable unit (FRU); you can remove and replace the fan tray while the switch is running without turning off power to the switch or disrupting switching functions.

The fan tray installs vertically on the right side on the rear of the chassis. Two handles, one on the top and one at the bottom on the front faceplate facilitates handling of the fan tray. Four captive screws, one in each corner on the fan tray faceplate, are used to secure the fan tray into the chassis.

Before you begin to install a fan tray:

Ensure that you have the following parts and tools available to install a fan tray in an EX6210 switch:

  • Electrostatic discharge (ESD) grounding strap

  • Phillips (+) screwdriver, number 2

Caution

The fan tray can be removed and replaced while the switch is operating. However, the fan tray must be replaced within 2 minutes of removing the fan tray, at room temperature, to prevent the chassis from overheating .



To install a fan tray in an EX6210 switch (see Figure 2):

  1. Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.

  2. Note

    Ensure that you are holding the fan tray in the correct orientation for installation; the fan tray vents must be on your right hand side.

    Hold the top handle with one hand and the bottom handle with the other hand. Align the bottom of the fan tray with the fan tray guides and slide the fan tray into the fan tray slot. The top lip of the fan tray must sit on the chassis for the fan tray to be properly seated in the chassis.

  3. Push the four captive screws, one in each corner of the fan tray faceplate, into the corresponding hole in the chassis. Ensure that each screw is properly seated in the corresponding hole in the chassis.

  4. Tighten the screws by turning them clockwise, using the Phillips (+) screwdriver.

    Caution

    Do not overtighten the screws. Applying excessive force might damage the screws or the fan tray.

    All four screws must be tight enough, for the fan tray to be securely installed in the chassis.

    Caution

    The fan tray can fall out from the chassis due to vibrations if the four captive screws are not used correctly to secure the fan tray in the chassis.

Figure 2: Installing a Fan Tray in an EX6210 Switch
Installing a Fan Tray
in an EX6210 Switch

Removing the Air Filter from an EX6210 Switch

You may need to remove the air filter from your EX6210 switch to replace it or for maintenance of the filter.

The air filter is installed vertically on the right side on the front of the chassis, on the air intake vents. Six captive screws are used to secure the air filter into the chassis.

Before you remove the air filter:

Ensure that you have the following parts and tools available to remove the air filter the switch:

  • Electrostatic discharge (ESD) grounding strap

  • Phillips (+) screwdriver, number 1

  • (Optional) Replacement air filter



To remove the air filter from the switch (see Figure 3):

  1. Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.

  2. Unscrew the captive screws, one in each corner of the air filter faceplate and two in the middle, by turning them counterclockwise, using the Phillips (+) screwdriver, until all screws are completely unseated.

  3. Gently pull the air filter away from the chassis.

  4. If you intend to replace the air filter, see Installing the Air Filter in an EX6210 Switch for instructions to install the air filter.

Figure 3: Removing the Air Filter from an EX6210 Switch
Removing the Air Filter from
an EX6210 Switch

Installing the Air Filter in an EX6210 Switch

You can install an optional air filter on your EX6210 switch. The air filter does not ship with the chassis; you must order it separately.

The air filter installs vertically on the right side on the front of the chassis, on the air intake vents. Six captive screws are used to secure the air filter into the chassis.

Before you begin to install the air filter:

Ensure that you have the following parts and tools available to install the air filter in an EX6210 switch:

  • Electrostatic discharge (ESD) grounding strap

  • Phillips (+) screwdriver, number 1



To install the air filter in an EX6210 switch (see Figure 4):

  1. Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to the ESD point on the chassis.

  2. Ensure that you are holding the filter in the correct orientation for installation; the foam side must face the chassis.

  3. Push the six captive screws, one in each corner of the filter faceplate and two in the middle, into the corresponding hole in the chassis. Ensure that each screw is properly seated in the corresponding hole in the chassis.

  4. Tighten the screws by turning them clockwise, using the Phillips (+) screwdriver.

    Caution

    Do not overtighten the screws. Applying excessive force might damage the screws or the filter.

    All screws must be tight enough, for the filter to be securely installed in the chassis.

Figure 4: Installing a Air Filter in an EX6210 Switch
Installing a Air Filter in
an EX6210 Switch

Maintaining the Air Filter in an EX6200 Switch

You can install the optional air filter in an EX6200 switch. For optimum performance of the air filters and to prevent damage to them, you must maintain the filters as described in this topic:

Cleaning the Air Filter

  • Regularly inspect the air filter. A dirty air filter restricts airflow in the unit, producing a negative effect on the ventilation of the chassis.

  • The filter degrades over time. You must replace the filter every six months.

  • Clean the air filter with slightly compressed air, a gentle vacuum cleaner, or rinse with clean water.

    Caution

    Always keep the air filter in place while the switch is operating. Because the fans are very powerful, they could pull small bits of wire or other materials into the switch through the unfiltered air intake. This could damage the switch components.

Storing the Air Filter

  • Spare air filters are separately orderable. The shelf life of the air filters vary from two to five years depending on the storage conditions. Store spare air filters in a dark, cool, and dry place. Wrap the air filters separately using plastic wraps and store them in an environment with RH between 40% to 80% and temperature between 40° F to 90° F. Storing air filters at higher temperatures or where they can be exposed to ultraviolet (UV) radiation, hydrocarbon emissions, or vapors from solvents can significantly reduce their life. If an air filter develops flakes or becomes brittle when rubbed or deformed, you must not use it.

  • Do not expose the air filter to solvents or sulfates, such as cleaning agents.