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Ensure that the trap door opens downward on installation. See
page 130
.
Figure 68: Open Trap Door
Caution
Trap Door
1
Step 5
Tighten thumb screw of trap door assembly.
Step 6
Open the trap door so that air inlet is completely open. See
Figure 68: Open Trap Door, on page 130
.
Step 7
Review the
Removing and Replacing the Fan Tray, on page 125
procedure.
Step 8
Remove top or bottom fan tray as required.
Step 9
Close the trap door within 20 seconds after removing the fan tray. See
Figure 69: Close Trap Door, on page
130
.
Figure 69: Close Trap Door
Trap Door
1
Hardware Installation Guide for Cisco NCS 4000 Series
130
Removing and Replacing Chassis Components
Performing Online Insertion and Removal of Fan Tray