Bridge/Router Installation and Configuration Guide

Chapter 7 Maintaining the Router
Removing and Installing the Front Covers and Bezel Extenders on Original Cisco 12000 Series Routers
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Step 4 Secure the front cover to the air filter door using the (4) screws that you removed
in Step
2.
Caution Do not overtighten the screws. Overtightening the screws can damage the
threaded holes in the air filter door.
Step 5 Close the air filter door and tighten the captive screws (Figure 7-6).
Figure 7-6 Closing the Air Filter Door
Caution Align and seat the door carefully to avoid damaging the EMI-preventive gaskets
on the door. The air filter door must be closed and secured at all times to maintain
correct EMI performance.
ALARM
CSC
0
F
AIL
1
0
1
2
ENABLED
SFC
Q OC-3/STM-POS
6DS3–SMB P
/
H
/
F
12DS3–SMB P
/
H
/
F
RX
TX
11
RX
OC-48/STM-16-SCPOS
OC-12/STM-4 ATM
FAST ETERNET
ROUTE PROCESSOR
27962
Switch fabric
card cage
(behind filter door)
Air filter
door
Guide pin
Air filter
Captive screw
Captive screws
(2 on each side)