Cisco 6509 - Catalyst Chassis Switch Installation Manual page 210

Installing the Air Filter Assembly on a Catalyst 6509-NEB-A Switch (Optional)
Figure 4-61 Installing the Filter Assembly
1
Thumbscrews
3
Tab
Note We recommend that you change the air filters every three months.
Catalyst 6500 Series Switches Installation Guide
4-70
o
o
INPUT FAN
OUTPU T
OK
OK FAIL
Chapter 4
1
4
2
3
1
INPUT
FAN OUTPU T
OK OK
FAIL
2
Fastening screw
4
Notch
Removal and Replacement Procedures
OL-5781-04