Brocade DCX 8510-4 Backbone Hardware Reference Manual - Manual (Page 86)

ensures they remain disabled after the power is cycled. This allows you to check all the settings so
that you can verify the settings before placing the chassis back into production.
switch:FID128:root> switchcfgpersistentdisable
Switch's persistent state set to 'disabled'
switch:FID128:root>
If there are other logical switches on your chassis, use the setcontext command to connect to all
the other switches and then run switchcfgpersistentdisable on these switches as well.
6. Power down the entire chassis.
7. Remove the screws from the WWN bezel on the back of the chassis. Pull the bezel away from the
chassis and set it aside. The two WWN cards are now visible.
8. Use a Phillips screwdriver to unscrew the screws that secure each WWN card to the chassis. Label
the WWN cards and cables with #1 for the left side and #2 for the right side, for future reference.
9. Hold the WWN cards by the edges and gently pull them out from the chassis.
10.Set the WWN card on a static-free surface, such as a grounding pad.
FIGURE 28 Removal and replacement of the WWN bezel (logo plate) and WWN card
Replacing the WWN card and WWN bezel (logo plate)
Complete the following steps to replace the bezel and the WWN cards.
Follow electrostatic discharge (ESD) precautions. Wear a wrist grounding strap connected to chassis
ground (if the Brocade DCX 8510-4 is plugged in) or a bench ground.
Replacing the WWN card and WWN bezel (logo plate)
86 Brocade DCX 8510-4 Backbone Hardware Reference Manual
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