Appendix B
Components
B-41
B.23
PSU Backplane
The PSU backplane (PSUBP) is a PCB that has a connector for interconnecting multiple
power supply units (PSU) concurrently operated. There are two types of PSUBP, namely the
PSUBP_A commonly used for all server and the PSUBP_B for the M8000 only.
and
FIGURE B-35
PSU Backplane (PSUBP_A)
FIGURE B-36
PSU Backplane (PSUBP_B)
The PSUBP has the following characteristics.
■
Because the PSUBP is a built-in unit in the cabinet, only cold replacement is available for
the PSUBP.
■
The PSUBP connects the output of PSU to each unit through system backplane (BP_A or
BP_B).
■
The PUSBP_A allows connection to up to five PSUs.
■
The PUSBP_B enables connection to up to four PSUs.
■
The PSUBP has a label bearing the printed component number and manufacture's serial
number.
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 154: ...5 6 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
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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