Extreme Networks SSA-G8018-0652 Hardware Installation Manual page 16

When the fan unit is reversed, a metal plate covers the fan unit (as shown in
To reverse the fan module airflow, follow these steps:
1 Hold the module in your hand.
2 Apply pressure to the edges of the fan units closer to the fan module connector to rotate the fan
unit (thick black arrows in
3 Flip the fan unit 180 degrees until the airflow indicator is again completely visible and pointing away
the fan module screen, as shown in callout 4,
Figure 5: Reversing the Fan Module Airflow
1 = Airflow indicator arrow
2 = Fan unit in mid-reversal
Callout 1 shows airflow from the I/O port side to the power supply side of the module.
Callout 3 shows airflow from the power supply side to the I/O port side of the module.
Reinstalling the Fan Module
To reinstall the fan module, follow these steps:
1 Align the fan module with the fan module opening.
2 Insert the module into the fan module opening, applying enough pressure that the fan module is
flush with the device.
3 Secure the two fan module captive screws.
S-Series Stand Alone (SSA) Switch Hardware Installation Guide
Figure 5).
Figure
3 = Airflow indicator arrow
4 = Fan screen
Figure 5
5.
Installation
on page 16).
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