Sun Microsystems 220R service manual Environmental Specifications, Parameter Value

Parameter	Value
Input
Nominal Frequencies	50 Hz or 60 Hz nominal
Nominal Voltage Range	100 to 240 VAC
Maximum Current AC RMS	6.3 A @ 100 VAC
AC Operating Range	90 to 264 Vrms, 47 to 63Hz
Outputs
5.1 VDC1	0.1 to 1 A
+3.3 VDC2	3 to 50 A
+5 VDC3	3 to 40 A
+12 VDC	0.5 to 5 A
-12 VDC	0 to 0.5 A
Maximum DC Power Output	380 Watts
Maximum AC Power Consumption	610 Watts
Maximum Heat Dissipation	2080 BTUs/hr
Volt-Ampere Rating	630 VA with 380 Watt load

1.Standby output.

2.Combined output power of the +33 VDC and +5 VDC outputs must not exceed 320 Watts.

3.Combined output power of the +3.3 VDC and +5 VDC outputs must not exceed 320 Watts.

B.1.3 Environmental Specifications

The environmental requirements for the system are as follows.

Parameter	Value
Operating
Temperature	˚	˚	˚	˚
	5C to 35C (41F to 95F)—IEC 68-2-1, 68-2-2
Humidity	20% to 80% RH, noncondensing; 27˚C max wet bulb—IEC 68-2-2, 68-2-3

246 Sun Enterprise 220R Server Service Manual ♦ January 2000, Revision A