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Installing an MX2020 Air Filter

The MX2020 router has four air filters: a lower air filter, middle card cage cable manager air filter, and two Power Supply Module (PSM) air filters. These filters are included in the MX2020 Filter Kit (MX2020-FLTR-KIT-S).

Use these procedures to install the air filters.

To install the lower air filter:

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  2. Ensure that the air filter is right side up.
  3. Open the fan tray and air filter access door, located at the bottom of the chassis.
  4. Grasp the handle on the air filter and insert into the chassis until it stops, (see Figure 1).
  5. Close the access door and tighten the two captive screws to secure.
  6. Lower the cable manager back into position, and rearrange the cables in the cable manager.
Figure 1: Installing the Air Filter Installing the Air Filter

To install the middle card cage cable manager air filter:

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

  2. Move the cables from the middle card cage cable manager, if necessary.

  3. Loosen the two captive screws located on the front of the middle card cage cable manager door, and open.

    CAUTION:

    Do not run the router for more than 2 minutes without the air filter in place.

  4. Grasp the air filter, and slide the bottom of the air filter into the channel of the access door, (see Figure 2).

    Figure 2: Installing the Middle Card Cage Cable Manager Air Filter Installing the Middle Card Cage Cable Manager Air Filter

  5. Push the air filter in place, close the door, and tighten the two captive screws.

  6. Replace the cables in the middle card cage cable manager, if necessary.

To install the PSM air filter:

Note:

The MX2020 has two PSM air filters - one under each PSM section.

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

  2. Ensure that the air filter is right side up.

  3. Grasp the PSM air filter and insert into the chassis until it stops, (see Figure 3).

  4. Tighten the two captive screws to secure.

Figure 3: Installing the PSM Air Filter Installing the PSM Air Filter

To install the PSM air filter for chassis with 240 V China power supplies and universal (HVAC/HVDC) power supplies:

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

  2. Unscrew the mechanical interlock bracket from the PDM (see Figure 4 and Figure 5).

    Figure 4: Removing the Bracket from the PDM Removing the Bracket from the PDM
    Figure 5: Removing the Bracket from the Universal (HVAC/HVDC) PDM Removing the Bracket from the Universal (HVAC/HVDC) PDM

  3. Ensure that the air filter is right side up.

  4. Grasp the PSM air filter and insert into the chassis until it stops, (see Figure 6 and Figure 7).

  5. Tighten the two captive screws to secure.

    Figure 6: Installing the PSM Filter Installing the PSM Filter
    Figure 7: Installing the PSM Filter for the Universal (HVAC/HVDC) PSM Installing the PSM Filter for the Universal (HVAC/HVDC) PSM

  6. Install the mechanical interlock bracket and tighten the screws. See Figure 8 and Figure 9.

    Figure 8: Installing the Bracket Installing the Bracket
    Figure 9: Installing the Mechanical Interlock Bracket (with Universal HVAC/HVDC PSM Installed) Installing the Mechanical Interlock Bracket (with Universal HVAC/HVDC PSM Installed)

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