8-2
SPARC Enterprise M8000/M9000 Servers Service Manual • October 2012
8.1
Overview of the FAN Unit
This section provides an overview of the FAN unit and describes their mounting locations.
Each FAN unit consists of two or three cooling fans, and two or more FAN units are used for
cooling components in a cabinet.
Individual cooling fan has redundancy; and even though a single fan unit failed, system can
continue the operation. In such a case, however, it is necessary to replace the failed fan in
units of the FAN unit. Active maintenance of the FAN unit is possible.
There are two types of FAN unit: FAN_A (3-FAN unit), which is used commonly with the
high-end server, and FAN_B (2-FAN unit), which is used only with the M8000 server.
and
show the mounting locations of FAN unit in the cabinet of the
M8000 server.
and
show the mounting locations of FAN unit in the
M9000 server (base cabinet).
show the mounting locations of
FAN unit in the M9000 server (with the expansion cabinet).
FIGURE 8-1
FAN Mounting Locations (Front of the M8000)
FAN_B#1
FAN_B#0
FAN_A#0-#3
#1
#3
#0
#2
Summary of Contents for SPARC Enterprise M8000
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Page 15: ...Contents xv Index Index 1 ...
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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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