Cisco 12416 Installation And Configuration Manual page 313

Chapter 7 Maintaining the Router
Step 5
Caution
Figure 7-13 Closing the Chassis Air Filter Door
Switch fabric
card cage
(behind filter door)
Air filter
door
Air filter
Step 6
Caution
OL-11495-01
Lift up the air filter door so that the four guide pins are inserted in the
corresponding holes on each side of the switch fabric card cage
Align and seat the door carefully to avoid damaging the
EMI-preventive gasket contacts on the door.
Tighten the captive screws to secure the door to the chassis.
The air filter door must be closed and secured at all times to maintain
correct EMI performance.
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
Cleaning or Replacing the Chassis Air Filter
(Figure
Guide pin
Captive screw
Captive screws
(2 on each side)
7-13).
7-21