
46 Extreme Networks Consolidated Hardware Guide
Site Preparation
• The BlackDiamond 6808 chassis requires 3 inches (7.62 cm) around both the front and rear of the
chassis (5 inches (12.7 cm) recommended) for proper airflow.
The airflow of the Summit family of switches moves from the left side of the switch to the right side of
the switch, or from the right side of the switch to the left side of the switch depending on the model.
The airflow of the Alpine 3808 moves through the power supplies and is independent of the airflow
through the chassis as shown in Figure 4. For example, if the power supply fans fail, the airflow
through the module area of the chassis will not cool down the power supplies.
• Airflow for cooling power supplies enters the top of the chassis and moves left to right as you face
the chassis.
• Airflow for cooling modules moves left to right as you face the chassis.
Figure 4: Airflow through the Alpine 3808 chassis
The airflow of the Alpine 3804 and Alpine 3802 moves from the left side of the chassis to the right side
of the chassis as shown in Figure 5 and Figure 6.
• Airflow for cooling power supplies moves left to right as you face the chassis.
• Airflow for cooling modules moves left to right as you face the chassis.
38_air8
Airflow
through
chassis
Airflow
through
chassis
Airflow
through
power
supplies
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