H3C Technologies H3C S9500E Series Switches - Manual (Page 29)

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The S9505E, S9508E, and S9512E use side-to-side airflow to cool its modules and front-to-back airflow
to cool its power supplies. See Figure 14 .
Figure 14 S9505E airflow
(1) Chassis air intake (2) Chassis air outlet
(3) Power supply air intake (4) Power supply air outlet
The S9508E-V uses front to rear airflow to cool its power supplies. Air flows in from the air vents at the
lower part of the chassis, circulates through the chassis, and exhausts through the air vents at the top of
the chassis to cool the modules of the switch. See Figure 15 .
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