Sun Microsystems Sun Fire 12K, Site Planning Manual

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1-2 Sun Fire 15K/12K Systems Site Planning Guide • June 2003
1.1 System Components
The Sun Fire 15K/12K systems consist of two or more air-cooled cabinets that are
configured to meet customer-specified requirements. Minimum configurations use
one system cabinet, which houses system components and one customer selected
I/O expansion rack. System components include:
■
CPU boards (up to 18)
■
I/O (minimum of one board and up to 18 additional I/O boards) or one I/O and
a combination of I/O and MaxCPU boards (up to 17)
■
Sun™ Fireplane interconnect
■
System Control (SC) boards (2)
■
SC peripheral boards (2)
■
Power and cooling subsystems
All systems ordered are configured with a full complement of fan trays and power
supplies, two System Control boards, and two SC peripheral boards. Processor and
I/O boards are then ordered per the customer’s specific system requirements.
Multiple cabinet configurations (
FIGURE 1-2
) would include additional customer
selected I/O expansion racks with I/O cabling (customer-specified length).
Customer selected I/O expansion racks house additional I/O disk or tape
subsystems. Additionally, each I/O expansion rack contains AC distribution
subsystems for use with the I/O subsystems.
Multiple cabinets may be placed side-by-side as long as the environmental
specifications in Chapter 2 are met.
When determining the space, cooling, and power requirements, determine what
system and I/O components will be used in your system. To begin the process
of preparing your site for your Sun Fire 15K/12K systems, record your configuration
on the worksheet in
TABLE 2-3
.
The system cabinet may be located in any position within the system configuration.
Additional customer selected I/O expansion racks may be used, provided I/O cable
length requirements are not compromised.
Note – Evaluate the system weight on both the raised floor system and the building
structural system (see Section 1.3, “Raised Floor Installations” on page 1-10 ). The
Sun Fire 15K system cabinet has a concentrated load weight of 628.4 lb (285.6 kg) per
three-inch caster (within the allowable load for a typical computer room raised floor
that is generally made of steel construction). The Sun Fire 12K system cabinet has a
concentrated load weight of 547.9 lb (249.0 kg).