FUJITSU SPARC ENTERPRISE M8000 - Manual (Page 216)

8-2 SPARC Enterprise M8000/M9000 Servers Service Manual • August 2009
8.1 Overview of the FAN Unit
This section provides an overview of FAN unit and describes their mounting
locations.
Each FAN unit consists of two or three cooling fans, and two or more FAN unit are
used for cooling components in a cabinet. 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. FAN units have an N+1 redundancy
configuration, and active maintenance can be performed on them.
FIGURE 8-1 , FIGURE 8-2 , FIGURE 8-3 , FIGURE 8-4 , FIGURE 8-5 , and FIGURE 8-6 indicate the
mounting locations of FAN unit in the high-end servers.
FIGURE 8-1 FAN Mounting Locations (Front of the M8000)
FAN_B#1
FAN_B#0
FAN_A#0-#3
#1 #3
#0 #2