Supermicro SC-830W User Manual page 13

Chassis
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3.10 Temperature
Operating Ambient:
50 to 122 °F ( 0 to 50 °C ). Derate Linearly to 50% at 70 °C
Non-Operating Ambient:
-4.0 to 140 °F ( -20 to 60°C )
3.11 Relative Humidity
Operating
20 to 90 % non-condensing at 104°F ( 40 °C ).
Non-Operating
5 to 95 % non-condensing at 122°F ( 50°C ).
3.12 Regulatory Agency Certification
RFI/EMI Standards
The power supply shall comply with the following radiated and conducted
emissions standards, When installed in system:
a) Meet FCC part 15, Subpart B, Class B computing devices.
b) CISPR22 ( EN55022 ) Class B.
c) VCCI Class 2.
d) CE Certificate & Test report.
These limits shall be met with a margin of at less 6dB at all applicable
frequencies. The unit shall comply with the above limits when tested under
all normal working conditions and with all interface cables connected.
Safety Standards
The power supply shall be certified with the following safety standards,
a) UL 1950 ( Information Processing/Business equipment).
b) CSA 22.2 No. 234-m90 level 6
c) TUV Certification to IEC 950 lst edition with Amendment #1, #2, and EN60950
d) CE Certificate & Test report.
3.13 Reliability
Life Expectancy
Average life expectancy of 5 years.
Mean Time Between failures (MTBF)
Using MIL217E the calculated MTBF = 100,000 hours at 25°C
3.14 Power System Fault Signal
The Hot-Swap Redundant Power Supply shall give a fault signal that will
indicate the status of the power supply operation. If one of the power supply
unit shut down, the power fault signal could be generated .This signal shall
be high level for normal operation; Low level for fault conditions.
3.15 Alarm Beeping Sound
The alarm system monitors the power supply failure and provides alarm to
indicate the status of the power system.
By checking the LED on the power supply, end users will be able to locate
the defective power unit. The alarm system will give a beeping sound to
indicate the power supply failure. The warning continues until that particular power unit is
replaced. Beeping sound could be suspended before the failure power
supply unit is replaced by pressing the Alarm Switch.
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