A P P E N D I X A

System Specifications

For maximum reliability and performance, install your workstation into a proper environment and ensure correct configuration as discussed in this appendix.

A.1 Physical Specifications

TABLE A-1 lists the physical specifications for the Sun Ultra 20 Workstation.

TABLE A-1 Sun Ultra 20 Workstation Physical Specifications
Specification	British	Metric
Width	7.9 in.	200 mm
Depth	18.5 in.	470 mm
Height	17.1 in.	435 mm
Weight (max with packaging)	34 lbs	15.4 kg

A.2 Power Specifications

The maximum continuous power for the Sun Ultra 20 Workstation is 530W.

Additional power specifications for the workstation are shown in TABLE A-2, TABLE A-3 and TABLE A-4.

TABLE A-2 Input Voltage Range
Input Voltage	Minimum	Nominal	Maximum	Units
Range 1	90	115	132	Vrms
Range 2	180	230	264	Vrms

TABLE A-3 Input Frequency Range
Input Frequency	Minimum	Nominal	Maximum	Units
Range 1	57	60	63	Hz
Range 2	47	50	53	Hz

TABLE A-4 Input Current
Input Voltage	Maximum Input Current	Maximum Inrush Current
Range 1	10A	50 Apeak
Range 2	5	100 Apeak

A.3 Environmental Specifications

Environmental specifications for the Sun Ultra 20 Workstation are shown in TABLE A-5.

TABLE A-5 Sun Ultra 20 Workstation Environmental Specifications
Specification	State	British	Metric
Humidity	Operating	7%-93% RH non-condensing, 100.4° F max wet bulb	7%-93% RH non-condensing, 38° C max wet bulb
	Nonoperating	93% RH, non-condensing, 109.4° F max wet bulb	93% RH, non-condensing, 43° C max wet bulb
Vibration	Operating	0.25G in all axes, 5-500 Hz sine
	Nonoperating	1.2G in all axes, 5-500 Hz sine
Shock	Operating	4.5G, 11 msec. half-sine
Temperature	Operating	41° F to 95° F	5° C to 35° C
	Nonoperating	-40° F to 149° F	-40° C to 65° C
Altitude	Operating	max 9,843 ft	max 3,000 m
	Nonoperating	max 39,370 ft	max 12,000 m