Juniper MX2020 Hardware Manual page 617

Figure 260: Installing 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:
600