4.6
Power Supply Unit
This section describes the Power Supply Unit connected to the main unit.
4.6.1
PSU Expansion
When five or more System Boards are mounted to the Base cabinet or to the System Expansion
cabinet, one PSU Expansion which consists of two units is required. Power Supply Units are
configured in an n+1 redundant configuration and support hot swapping.
Table 4.2
Input
Voltage
Frequency
Output
Rated voltage
Rated power
Mass
C120-E093-04EN
Figure 4.8 PSU Expansion
lists the specifications of the Power Supply Unit.
Table 4.2 The Specifications of the Power Supply Unit
Item
Rated voltage
Phase
Variation
Rated frequency
Variation
Details
100 to 240 Vac
Single
+10% to -11.5%
50 to 60 Hz
+2% to -4%
48 Vac
1200 W
6.3 kg (13.9 lb)
4.6 Power Supply Unit
31