Placing a black sponge air filter on the air intake vent helps to prevent dust from entering the
system. Cleaning air filters at least once every three months is recommended.
1.9.6 Heat Dissipation System of the NE40E-X16A
1.9.6.1 System Air Channel
The NE40E-X16A supports a maximum of six fan modules. For a platform with forwarding
capacity as 400 Gbit/s or below. Only four fan modules need to be configured. For a platform
with forwarding capacity as 1 Tbit/s, six fan modules need to be configured. Each fan module
consists of six fans.
Figure 1-89 shows the locations of the fan module and the air intake vent.
Figure 1-89 Locations of the fan module and the air channel
3. Air intake vent in the SFU
area
The NE40E-X16A provides three air channels. Each of the upper board cage and the lower
board cage has an air channel. Both air channels draw air from the front and exhausts air from
the rear. The SFU slot area has an air channel. The air channel draws air from the left and
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