FastIron Hardware Installation Guide for the FSX, FSX 800, and FSX 1600
8 - 4
© 2008 Foundry Networks, Inc.
December 2008
Figure 8.2
Internal Airflow in the FSX 1600
FSX 1600-ANR
The fan trays in the FSX 1600-ANR are located in the top rear of the chassis.
The fans cool the CPU, main memory, and voltage regulators. The fans move the air from the front of the device
to the rear of the device, as shown in Figure 8.3. The hot air exits the chassis through the bottom of the ANR kit.
Table 8.4 shows the airflow and acoustic level for each fan speed setting on the FSX 1600-ANR chassis. The
noise level varies on each side of the chassis and is highest at the rear of the chassis where the fans are located.
Table 8.4: FSX 1600-ANR Chassis Fan Operating Noise
Fan Speed Setting
Airflow (CFM) Exhaust
Acoustic Level (dB)
Front
Left
Right
Rear
1
319
58
55
56
59
2
421
62
61
63
65
3
422
62
61
63
65
Cool
a
ir enter
s
from
the front, left,
a
nd right
s
ide
s
Hot
a
ir exit
s
from the re
a
r
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