6 Installing the Fan Modules
The fan module is a hot swappable field replaceable unit, which can be replaced while the switch is
operating as long as the remaining three modules are installed and in operation. The fans come pre-
installed and the following steps are instructions on how to install a new fan module:
Fan Module:
1. Press and hold the release tab located on the fan module inward to unlock the old fan
module from the fan bay.
2. While holding down the red tab, grip the handle located on the fan module and gently pull
the old fan module out of the fan bay.
3. Align the new fan module with the fan bay, ensuring that the fan module's power connector
is in the correct position.
4. Carefully slide the new fan module into the fan bay and gently push until it is flush with the
switch case.
5. An audible click will be heard when the fan module is installed correctly. The fan module
will not go in all the way if it is installed in the wrong direction.
S9705-48D Hardware Installation Guide | 11
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