Site Preparation; Physical Requirements; Electrical Requirements - Sun Microsystems SPARC Enterprise T5120 Installation And Service Manual

1.7

Site Preparation

The following information summarizes installation requirements for the External I/O
Expansion Unit.
For additional specifications and compliance information, see
1.7.1

Physical Requirements

The External I/O Expansion Unit with the cable management unit attached is 17.3
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in. (440 mm) wide and 39.4 in. (1000 mm) deep.
The movement of air through the External I/O Expansion Unit chassis is from
■
front to back.
The External I/O Expansion Unit is four rack units tall (6.9 inches/175 mm).
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Service access to the External I/O Expansion Unit is from the front or rear. The
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mounting rails do not slide.
The link kit includes a 13 ft/4 m cable.
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The maximum weight of the External I/O Expansion Unit is approximately 81
■
pounds (36.8 kg).
Caution – Mount the heaviest subassemblies at the lowest available opening in a
rack to minimize the precarious effects of a top-heavy system.
Note – Do not install another product between two External I/O Expansion Units if
the product is short in height and shorter in depth than the External I/O Expansion
Units. If there is little space between the upper and lower External I/O Expansion
Units, there might not be enough space for your hands and arms to connect cables on
the rear of the product.
1.7.2

Electrical Requirements

The maximum wattage per PCI card is 25 watts.
■
Two AC cords (supplied) must be used with the internal AC cables (
■
The supply voltage is 100 VAC to 240 VAC, 50-60 Hz.
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The maximum power rating of External I/O Expansion Unit is 600 watts.
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Appendix A.
).
FIGURE 1-2
Chapter 1 Overview 1-37