Cisco Catalyst 6500 Series - Page 11

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Catalyst 6500 Series Distributed Forwarding Card 4 for WS-X68xx, WS-X69xx, and Select WS-X67xx Modules Installation Note
OL-24918-02
Removing a CFC or DFC3 Daughter Card
Step 4 If you are upgrading a WS-X6748-GE-TX Ethernet module with a DFC4 daughter card and your
WS-X4748-GE-TX module is equipped with a stiffener bracket that goes across the top of the heat sinks
at the front of the module (see Figure 1), you must first remove the stiffener bracket before continuing
with the CFC daughter card removal procedure. To remove the bracket, follow these substeps:
a. Loosen and remove the six phillips-head screws that secure the bracket to the module.
b. Carefully lift and remove the bracket from the module.
Caution Do not reinstall the stiffener bracket. After upgrading the WS-X6748-GE-TX Ethernet module with a
DFC4 daughter card, the bracket can be discarded.
Figure 1 WS-X6748-GE-TX Ethernet Module Equipped with a Stiffener Bracket
331321
WS-X5530
WS-X6748-GE-TX 48 PORT ETHERNET
Stiffener
bracket