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3. Carefully pull the two power cables from the fan connectors.
4. Loosen the screws that secure the fan to the module. Remove the
defective fan.
Figure 56. Detaching the fan from the module
5. Fasten the new fan with the screws that you removed earlier. Make
sure that the fan cable is near the bottom of the module.
Follow the same steps to replace the other fan.
6. Connect the fan cables to the PCB. Make sure that the fan cables are
connected to the correct fan connector. FAN 1 is on the left side when
you are facing the rear panel.
7. Insert the fan module to the switch chassis until it fits in place. Make
sure that the fan power cables are not caught between the fan module
and chassis.
8. Secure the fan module to the chassis with the thumbscrew. Check
around the fan module to make sure no cable is caught between the
chassis and the fan module.
Fan specifications
Dimensions: 40 x 40 x 20 mm
Voltage and Current: 12VDC, 0.13A
Speed: 8200RPM