20-1
C H A PT E R
20
Backplane Replacement
This chapter explains the replacement procedure for backplanes (BPs). It covers the
following:
■
Section 20.1, “Overview of the BP” on page 20-1
■
Section 20.2, “Cold Replacement” on page 20-1
As a replacement method for BPs, only the cold replacement method can be used. For the
definition of the replacement method, see
Section 4.1, “Types of Replacement Procedures”
20.1
Overview of the BP
This section provides an overview of the BPs and shows their mounting locations.
A BP has connectors for interconnecting replaceable units in a cabinet. The following BPs
are available:
■
BP_A: used for interconnecting the CMUs and IOUs of the M8000 server
■
BP_B: used for interconnecting the CMUs, IOUs, XBUs of the M9000 server
■
PSUBP: used for interconnecting power supply units (PSUs)
■
FANBP: used for interconnecting FAN units
20.2
Cold Replacement
BPs are mounted in a cabinet, and it is necessary to remove many other components before it
can be accessed. Consequently, active maintenance cannot be performed on BPs. Cold
replacement must be used when replacing them.
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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