Appendix A. System Specifications

Table A-1 and Table A-2 provide technical specifications for the Silicon Graphics Onyx2 rack system.

Table A-1. Physical and Environmental Specifications

Parameter

 

Specification

Dimensions:

 

 

Installed:

length
width
height

39” (99 cm)
29” (74 cm)
73” (185 cm)

Shipping:

length
width
height

81” (206 cm)
47” (120 cm)
49” (125 cm)

Weight:

minimum (empty rack)
maximum (full rack)
shipping (maximum)

300 lbs (136 kg)
750 lbs (340 kg)
900 lbs (408 kg)

Floor Loading:

minimum
maximum

38 lb/ft2 (185 kg/m2)
95 lb/ft2 (466 kg/m2)

 

 

 

Air Temperature:

operating (< 5000 ft)
operating (> 5000 ft)
non-operating

41 to 95 \xβ0 F (5 to 35 °C)
41 to 86 \xβ0 F (5 to 30 °C)

-4 to 140°F (-20 to 60 °C)

 

 

 

Thermal Gradient:

maximum

18 \xβ0 F (10 °C) per hour

 

 

 

Altitude:

operating
non-operating

10,000 ft (3,048 m) MSL, maximum
40,000 ft (12,192 m) MSL, maximum


Table A-2. Electrical and Cooling Specifications

Parameter

 

Specification

Voltage:

 

187-264 Volts, 1-phase

 

 

 

Watts (from-the-wall):

maximum

5750 watts

 

 

 

Power Factor:

minimum

0.98

 

 

 

Inrush Current:

maximum

400

 

 

 

Frequency:

 

47-63 Hertz

 

 

 

Heat Output:

maximum

19,550 Btu/hr (1.63 ton AC load)