Cisco Gigabit Switch Router Cisco 12012 Instrukcja wymiany - Strona 16
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Removing and Replacing a Card Cage Assembly
Step 3
Step 4
Step 5
Figure 8
a
b
Removing the Cards From the Lower Card Cage
The lower card cage is located directly behind the air filter tray and an air deflector. To access the
lower card cage, you must first lower the air filter tray and raise and secure the air deflector.
Perform the following steps to remove the clock and scheduler cards and the switch fabric cards from
the lower card cage:
Step 1
16 Cisco 12012 Gigabit Switch Router Card Cage Assembly Replacement Instructions
Loosen the two captive screws at the top and bottom of the alarm card. (Refer to
Figure 8a.)
Unlike the line cards and RP, the alarm card does not have card ejector levers. The
Note
alarm card backplane connector is smaller, has fewer pins, and is easier to seat and unseat
than the line cards and the RP.
Using a flat-blade screwdriver, gently pry at the top and bottom of the alarm card carrier
to unseat the card from the backplane connector.
Grasp the card carrier edge with one hand and place your other hand under the carrier to
support it (refer to Figure 8b.) Slide the alarm card out of the card slot and place it
immediately on the antistatic mat.
Removing an Alarm Card
Loosen
captive
screws
Grasp card carrier to
slide card out of slot
Upper card cage
Attach an antistatic wrist strap to yourself and to one of the two ESD connection sockets
located on the front edges of the upper card cage or to bare metal on the frame.
Alarm card