Chapter 4
FRU Replacement Preparation
4-29
4.5.1.2
Power System
There are two types of power system: single power and dual power.
shows the conceptual diagram of power system.
FIGURE 4-3
Power System (Single Power/Dual Power)
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.
PSU
ACS
AC
PSU
PSU
ACS
ACS
AC
AC
Single power feed
Dual power feed
Distribution panel
Distribution panel
Distribution panel
Cabinet
Cabinet
Summary of Contents for SPARC Enterprise M8000
Page 4: ......
Page 15: ...Contents xv Index Index 1 ...
Page 16: ...xvi SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
Page 22: ......
Page 27: ...Chapter 1 Safety and Tools 1 5 M9000 Server Front View ...
Page 29: ...Chapter 1 Safety and Tools 1 7 Power Supply Unit PSU ...
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Page 205: ...Chapter 7 I O Unit IOU Replacement 7 13 FIGURE 7 8 Removing the IOU Front of M9000 1 1 2 3 ...
Page 227: ...Chapter 8 FAN Unit Replacement 8 11 FIGURE 8 9 Removing the FAN Unit Rear of M8000 1 2 ...
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Page 409: ...Chapter 20 Backplane Replacement 20 29 FIGURE 20 16 Removing the FANBP Rear of the M8000 ...
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Page 439: ...Chapter 23 Switch Backplane Replacement 23 7 FIGURE 23 4 Removing the SWBP Rear of the M8000 ...
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