Chapter 3
Hardware Configuration
45
Configuration Rule
■
Good practice is to connect each power supply to a separate AC circuit, which
will enable the system to remain operational if one of the AC circuits fails.
Consult your local electrical codes for any additional requirements.
Caution –
If any power supply fails, leave the supply in its bay until you are ready
to install a replacement.
For information about installing power supplies, see the
Sun Fire V480 Server Parts
Installation and Removal Guide
.
About the Fan Trays
The basic system is equipped with five fans mounted on two fan trays, providing
front-to-rear cooling: Fan Tray 0, which holds three fans that cool the CPUs, and Fan
Tray 1, which holds two fans that cool the FC-AL drives and PCI cards. Fan Tray 0 is
accessible from the front of the system, while Fan Tray 1 requires that you remove
the system’s PCI access panel to gain access to it. Power supplies are cooled
separately, each with its own internal fans.
Caution –
Fans on a Sun Fire V480 system are
not
hot-pluggable. Attempting to
replace a fan tray while the system is running poses an extreme risk of bodily injury.
Caution –
A complete set of two working fan trays
must
be present in the system at
all
times. After removing a fan tray, you
must
install a replacement fan tray. Failure
to install a replacement tray could lead to serious overheating of your system and
result in severe damage to the system. For more information, see “Environmental
Monitoring and Control” on page 23 and the
Sun Fire V480 Server Parts Installation
and Removal Guide.
Summary of Contents for Sun Fire V480
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