Cisco 12012 - Manual (Page 17)

Cisco 12012 Gigabit Switch Router Card Cage Assembly Replacement Instructions 17
Removing and Replacing a Card Cage Assembly
Step 2 To gain access to the lower card cage, loosen the two captive screws at the top of the air
filter tray and pivot the tray down, away from the lower card cage. (Refer to Figure 9.)
Figure 9 Opening the Air Filter Tray
Caution To prevent damage, do not place any tools on the air filter tray or in the lower card cage.
Damaging the honeycomb screen on the air filter tray or in the lower card cage could restrict the air
flow causing an overtemperature condition in the Cisco 12012.
GIGABIT R
OUTE PR
OCESSOR
Q OC-3/STM-POS OC-12/STM-4 A
T M
OC-12/STM-4 POS
ALARM
CS C
0
FA IL
1
0
1
2
EN AB LE D
SF C
H10472
Air filter
tray
Air filter
Captive
screw
Captive
screw
Air deflector
Honeycomb
screen