H3C Technologies H3C S9800 Series Switches - Manual (Page 69)

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Figure 63 Airflow through the switch chassis with the LSVM2S9800FAN fan trays
(1) Power module air vents (2) Fan tray air vents
(3) Port side air vents
Cooling system for the S9810 switch
The LSVM1S9810FAN and LSVM2S9810FAN fan trays are available for the S9810 switch. You can
install one or two fan trays for the switch. To install two fan trays, make sure the two fan trays are the same
model.
• When the LSVM1S9810FAN fan trays are used, ambient air flows in through the air vents in the fan
tray panels, circulates through the chassis and the power modules, and exhausts through the air
vents in the power module panels and port-side panel, as shown in Figure 64 .
• When the LSVM2S9810FAN fan trays are used, ambient air flows in through the air vents in the
port-side panel, circulates through the chassis and the power modules, and exhausts through the air
vents in the fan tray panels and the power module panels, as shown in Figure 65 .