Ericsson MINI-LINK TN R4 ETSI - Page 133

Accessories
E
A
R
T
H
G
RO
U
N
D
I
N
G
FAU3
PSU
+
+
PSU
+
+
-48VDC
OUT
A
B
00
01
Air in
Air in
Air out
Air out
Air out
6724
Figure 96 Cooling airflow in the PSU DC/DC kit
The air enters at the front and gable on the right hand side of the sub-rack,
flows past the plug-in units and exits at the rear, top and gable on the left hand
side of the sub-rack.
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