Fan Module; C.6 Fan Module - Fujitsu SPARC Enterprise M5000 Service Manual

Power Supply Features (Continued)
TABLE C-5
Volt ampere
Power draw (maximum)
Heat
There are two fans in each power supply unit.
The SPARC Enterprise M5000 server has a I/O backplane/power backplane/busbar
unit, located near the center of the lower half of the system, which provides these
functions:
Power conductor to the power supply backplane, fan backplane, power supply
■
backplane, and motherboard unit
Connectivity between the various backplanes and the motherboard with FRUs and
■
system components
Refer to
procedures.
C.6

FAN Module

The fans in the midrange servers move air currents into and out of the server.
fan fails, the eXtended System Control Facility (XSCF) detects the failure and uses the
redundant fan(s).
system. The 60 mm fans (FAN_B) in the M4000 server are used for additional cooling.
TABLE C-6
TABLE C-6
Number of fans
Fan location
Active replacement
capability
C-8 SPARC Enterprise M4000/M5000 Servers Service Manual • December 2010
M4000 Server
1,763 VA
1,692W (2 power cords)
5,774 BTUs/hr (6,091 kJ/hr)
Section 7.1, "Power Supply Unit Replacement" on page 7-1
Both servers use 172-mm fans (FAN_A) as the primary cooling
describes the fan features.
Fan Module Features
M4000 Server
4 fans
• 2 172-mm fans
• 2 60-mm fans
172-mm fans—Top of system near
the front
60-mm fans—Top of system
Above the power supply units
Yes
M5000 Server
3,406 VA
3,270W (4 power cords)
11,160 BTUs/hr (11,772 kJ/hr)
M5000 Server
4 172-mm fans
Top of system near the front
Yes
for replacement
If one