Chapter 1
Overview
1-5
1.1.2
Power Supply Units
The External I/O Expansion Unit has two power supply units (PSUs) for
redundancy. See
.
Each PSU includes an integral fan.
FIGURE 1-3
Power Supply Unit
Figure Legend
1
PSU
5
Fan
2
Handle locking screw
6
Caution labels
3
Handle
7
PSU slot 0
4
AC switch
8
PSU slot 1
1
2
3
4
5
7
8
6
Summary of Contents for SPARC Enterprise M4000
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