Sun Microsystems CP3000 manual Reliability, Absolute Maximum Ratings, Normal Operating Ranges

B.1.3 Absolute Maximum Ratings

The following values are stress ratings only. Do not operate at these maximums. See Section B.1.4, “Normal Operating Ranges” on page B-4for normal operating conditions.

Payload voltage, +12V	0 VDC to +13.2 VDC
Management voltage, +3.3V	3.135 VDC to +3.465
	VDC
Storage temperature	–40 to +70˚ Celsius
Noncondensing relative humidity	5% to 95% at 29˚ Celsius

B.1.4 Normal Operating Ranges

Description Range

Nominal operating voltage

Operating temperatures*:

•60m below sea level up to 1800m above sea level

•from 1800m up to 4000m above sea level

Operating humidity

Idle power consumption (without links)

Maximum power consumption

+10.8 to +13.2 VDC payload power

3.135 VDC to +3.465 VDC management power

–5˚ to +55˚C

–5˚ to +40˚C

Less than 85% at 29˚C

9W

12W

*The MTBF will be significantly reduced if operated above 30˚C for more than 96 consecutive hours.

B.2 Reliability

Reliability prediction was done using Telcordia document SR-332, Issue 1. The prediction assumed 25˚ Celsius operating temperature with 100 percent duty cycle, in a ground-benign, controlled environment.

■MTBF: 630,000 hours

■One year limited warranty

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