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Replacing the MX2020 Extended EMI Covers

Removing the MX2020 Extended EMI Covers

Two extended electromagnetic interference (EMI) covers attach to the router over the upper and lower card cages.

To remove the extended electromagnetic interference (EMI) card cage cover (see Figure 1):

  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. Gripping the flap on the extended EMI cover, tilt it away from the router toward you. The upper extended EMI cover tilts from the top. The lower extended EMI cover tilts from the bottom.
  3. Holding the cover on both sides, lift so that the points on the cover come out of the grooves on the EMI cover brackets.
  4. Pull the cover away from the router toward you to remove it.
  5. Using a number 2 Phillips (+) screwdriver, remove the two mounting screws from the mounting brackets on either side of the card cage. Then remove the mounting brackets (see Figure 2).
    Figure 1: Removing the Extended EMI Card Cage CoverRemoving the Extended EMI Card Cage CoverRemoving the Extended EMI Card Cage Cover
    Figure 2: Removing the Extended EMI Cover Mounting BracketsRemoving the Extended EMI Cover Mounting BracketsRemoving the Extended EMI Cover Mounting Brackets

Installing the MX2020 Extended EMI Cover

Two extended electromagnetic interference (EMI) covers attach to the router over the upper and lower card cages.

  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. On each side of the upper and lower card cage, orient the extended EMI cover mounting brackets so that they line up with the mounting holes.

    • For the upper extended EMI card cover, the groove that holds the points on the cover should be at the top.

    • For the lower extended EMI card cover, the groove that holds the points on the cover should be at the bottom.

  3. Secure the extended EMI cover mounting brackets using the four screws provided (two on each side) (see Figure 3).
    Figure 3: Installing the Extended EMI Cover Mounting BracketsInstalling the Extended EMI Cover Mounting BracketsInstalling the Extended EMI Cover Mounting Brackets

  4. Orient the cover so that the arrows point up in front of the card cage.
  5. Angle the cover so that the points on each side of the extended EMI cover fit into the grooves on the EMI cover mounting brackets.
  6. Tilt the extended EMI cover into place and press firmly until the sides contact the EMI cover mounting brackets:

    • The upper extended EMI cover tilts from the top.

    • The lower extended EMI cover tilts from the bottom.

Figure 4: Installing the Extended EMI Card Cage CoverInstalling the Extended EMI Card Cage CoverInstalling the Extended EMI Card Cage Cover

See Also

Related Documentation