Chapter 2 Site Planning 2-3
â– To reduce the risk of electric shock, do not plug Sun products into any other type
of power system. Sun products are designed to work with single-phase power
systems having a grounded neutral conductor. Contact your facilities manager or
a qualified electrician if you are not sure what type of power is supplied to your
building.
â– Your Sun product is shipped with a grounding-type (three-wire) power cord. To
reduce the risk of electric shock, always plug the cord into a grounded power
outlet.
â– Do not use household extension cords with your Sun product. Not all power
cords have the same current ratings. Household extension cords do not have
overload protection and are not meant for use with computer systems.
â– Do not block or cover the openings of your Sun product. Never place a Sun
product near a radiator or heat register. Failure to follow these guidelines can
cause overheating and affect the reliability of your Sun product.
2.3 Environmental Requirements
2.3.1 Electromagnetic Compatibility (EMC)
The following is required for all installations:
â– All AC mains and supply conductors to power distribution boxes for both the
rack-mounted array and the desktop array must be enclosed in a metal conduit or
raceway when specified by local, national, or other applicable government codes
and regulations.
â– The supply conductors and power distribution boxes (or equivalent metal
enclosure) must be grounded at both ends.
TABLE 2-1 Environmental Specifications
Operating Nonoperating
Altitude To 3000 meters (9000 feet) To 12,000 meters (36,000 feet)
Humidity 10% to 90% RH at 27 degrees C
max wet bulb (noncondensing)
93% RH, 38 degrees C max wet
bulb temperature (noncondensing)
Temperature
Standalone
Rack
5 degrees C to 40 degrees C
5 degrees C to 35 degrees C
-40 degrees C to +65 degrees C
-40 degrees C to +65 degrees C
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