Juniper QFX5220, Руководство по оборудованию, Страница: 61 / 247

Figure 19: QFX5220-128C FRU Panel
0
2
0 1 2
3 4 5
1
3
g051151
2
2 1
3
1
1
1
3
—
1
—
Chassis ESD grounding point Power supplies
2
—
Fans
Figure 20: QFX5220-32CD FRU Panel
g051051
115-
2
40V
;
50-60Hz
;
12.
7
-9
.4A
A
C
INPUT
:
+
12V
90A,
+5V
SB
3A
DC
INPUT
:
1200W
MAX
FOR
115~127V
INPUT
+
12V
133A,
+5V
SB
3A
1600W
MAX
FOR
200~2
40V
INPUT
0 1
1 2 1
2
—
1
—
Fans Power supplies
QFX5220 AC Power Supply Modules Description
The QFX5220-32CD ships with two power supplies; the QFX5220-128C ships with four power supplies.
While each model can operate with the minimum number of power supplies (one for QFX5220-32CD,
two for QFX5220-128C), maximum power supplies are required to have redundancy. See
Figure 21 on page 64 and Figure 22 on page 64 for examples of these power supply modules.
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