B-46
SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
B.26
Switch Backplane
The Switch backplane (SWBP) is a PCB that has connectors to connect Media BP to multiple
IOUs. The SWBP is a unit that switches between IOUs to set which IOU is to control the
CD-RW/DVD-RW drive unit and the tape drive unit (TAPEU). One SWBP unit can be
mounted on the M8000 and M9000 (base cabinet), and two units can be mounted on the
M9000 (with expansion cabinet).
shows the SWBP.
FIGURE B-41
Switch Backplane (SWBP)
The SWBP has the following characteristics.
■
Only cold replacement is available for the SWBP.
■
Twelve ports of expander are mounted to control eight IOUs, one CD-RW/DVD-RW drive
unit, and one tape drive unit.
■
The XSCF controls the settings for switching.
■
It supplies the power (12 V, 5 V) to Media backplane (CD-RW/DVD-RW drive unit and
tape drive unit).
■
The SWBP 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 ...
Page 38: ...1 16 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
Page 88: ...2 50 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
Page 148: ......
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 ...
Page 256: ...10 8 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
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Page 409: ...Chapter 20 Backplane Replacement 20 29 FIGURE 20 16 Removing the FANBP Rear of the M8000 ...
Page 422: ...21 10 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
Page 439: ...Chapter 23 Switch Backplane Replacement 23 7 FIGURE 23 4 Removing the SWBP Rear of the M8000 ...
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Page 494: ...A 10 SPARC Enterprise M8000 M9000 Servers Service Manual October 2012 ...
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