Power System; Power-On/Off Procedures Of Main Line Switch - Fujitsu SPARC Enterprise M8000 Service Manual

4.5.1.2

Power System

There are two types of power system: single power and dual power.
FIGURE 4-3
FIGURE 4-3
Single power feed
Distribution panel
The dual power feed option receives power from two external AC power sources that are
independent of each other, and it duplicates the input power system.
The dual power feed can be used with either single-phase or three-phase power feed.
4.5.2

Power-On/Off Procedures of Main Line Switch

On the server with expansion cabinet, when you turn on or turn off the main line switch, do
not fail to follow the order described below.
shows the conceptual diagram of power system.
Power System (Single Power/Dual Power)
Cabinet
PSU
ACS
AC
Dual power feed
ACS
AC
Distribution panel
Chapter 4 FRU Replacement Preparation
Cabinet
PSU
PSU
ACS
AC
Distribution panel
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