Cisco 12012 User Manual download pdf (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 ROUTE PROCESSOR

Q OC-3/STM-POS

OC-12/STM-4 ATM

OC-12/STM-4 POS

ALARM

H10472

Air filter

tray

Air filter

Captive

screw

Captive

screw

Air deflector

Honeycomb

screen

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Cisco 12012 User Manual Page 17