11990-704/705/706/707 (2-Slot ATCA Shelf)
Fan Trays
16
R1.2, March 2018
7.6 Front Board Air Distribution
The airflow is measured with impedance boards acc. to the PICMG 3.0 R3.0 specification.
Front board pressure drop: 37 Pa at 0,85 m³/min
Figure 9: Front Board Air Distribution
Table 6: Front Air Flow
7.7 Rear Board Air Distribution
The airflow is measured with impedance boards acc. to the PICMG 3.0 R3.0 specification.
Rear board pressure drop: 24 Pa at 0,14 m³/min
Figure 10: Rear Board Air Distribution
Table 7: Rear Air Flow
12713805
Zone 1 [CFM]
Zone 2 [CFM]
Zone 3 [CFM]
Zone 4 [CFM]
[CFM]
Slot 1
17,9 (30,5 m³/h)
17,7 (30,1 m³/h)
16,8 (28,5 m³/h)
17,1 (29,0 m³/h)
69,4 (30,5 m³/h)
Slot 2
17,0 (28,9 m³/h)
16,8 (28,5 m³/h)
16,1 (27,4 m³/h)
16,1 (27,4 m³/h)
66,1 (28,9 m³/h)
34,9 (59,3 m³/h)
34,5 (58,6 m³/h)
32,9 (59,9 m³/h)
33,2 (58,4 m³/h)
135,5 (230 m³/h)
12713806
[CFM]
Slot 1
16,7 (28,4 m³/h)
Slot 2
16,0 (27,2 m³/h)
32,7 (55,6 m³/h)
