User Guide

Chapter 7 Maintaining the Router
Cleaning or Replacing the Chassis Air Filter
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
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Cleaning or Replacing the Chassis Air Filter on Cisco 12016
Enhanced Series Routers
Use the following procedure to clean or replace the enhanced series air filter.
Step 1 Loosen the 4 captive screws on the air filter door and pivot the door open
(
Figure 7-10).
Figure 7-14 Opening the Chassis Air Filter Door
ALARM
CSC
0
FAIL
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
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