FUJITSU SPARC ENTERPRISE M8000 - Manual (Page 119)

Chapter 4 FRU Removal Preparation 4-25
Note – When you choose three-phase power feed option, the dual power feed
option is always included.
4.5.1.1 AC Input Power
There are two types of AC input power: single-phase and three-phase.
FIGURE 4-1 and FIGURE 4-2 show how the power supplied from the external AC power
supply (distribution panel) runs through in the server. The power input from the
distribution panel is supplied to the main line switch, the switch (in case of
three-phase power feed), and the power supply unit.
FIGURE 4-1 Internal Connection of Power Supply (Single-Phase Power Feed)
M9000 Single-phase Single power Single-phase power feed option See FIGURE 4-7 .
Single-phase Dual power Power cabinet + single-phase power feed
option See FIGURE 4-8 .
Three-phase Dual power Power cabinet + three-phase power feed
option See FIGURE 4-9 .
TABLE 4-1 Types of Power Supply and the Components of the Server (Continued)
Model
Types of power supply
Components of the server
Reference diagram
AC input power Single/Dual power
ACS AC PSU
PSU
PSU
(ON/OFF) (ON/OFF)
Main line switch Power supply unit Distribution panel