Asus GigaX2048 - Manual (Page 153)

GigaX Series L2 Managed Switch User Guide
7.2 Replacing defective fans
Turn off the power of the switch when you remove the fan
module on the rear side of the switch.
When any one of the switch fans (located on the rear panel) becomes
defective, you can easily replace it following these steps.
1. Unlock the fan module by loosening the thumbscrew that secures it to
the rear panel.
Figure 72. Loosening the thumbscrew
2. Carefully pull the module out as shown.
Figure 73. Removing the fan module