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Insert the New Fan Tray
1
Pick up the new fan tray by the handle provided on its front
panel.
2
Carefully insert the fan tray into the chassis fan tray slot.
Align the rear of the fan tray with the guide rails in the switch fan tray slot and
slide it gently toward the backplane.The module should slide in easily most of
the way.
3
Engage the fan tray.
As the fan tray reaches the back of the chassis, moderate resistance may be
felt. Press firmly so the connectors at the back of the module engage with the
backplane, but do not use excessive force.
When hot swapping the fan tray and when the connectors are properly
engaged, power to the fans should be restored and they should start spinning.
4
Check the fans to verify all of them are working.
Once power has been restored to the fan tray, either by engaging the module
to the backplane during hot-swap or by turning on system power after a
cold-swap, the Fan Status LED should be green and you should be able to feel
significant airflow blowing from the chassis vents at each fan position.
If the fans are all working, this ends the time critical portion of the hot-swap
procedure.
If one of the fans in a newly hot-swapped fan tray does not work (yellow Fan
Status LED), allow at least three minutes for the remaining fans to cool the
switch before attempting another hot-swap replacement.
C
AUTION
not work (the Fan Status LED is red or off), shut down the Alcatel
Wireless LAN Switch, replace the fan tray, and allow the switch at
least five minutes to cool before turning it back on.
5
Secure the fan tray.
Use the screwdriver to push in and tighten both of the fastening screws on
the faceplate of the newly installed fan tray. Rotate the screws clockwise until
moderate resistance is felt, but do not over-tighten.
—If two or more fans in the newly hot-swapped fan tray do
Chapter 4
The Fan Tray
21
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