W Dc Power Supply; Environmental Specifications - Cisco UCS C240 M4 Installation And Service Manual

Environmental Specifications

930 W DC Power Supply

Table A-5
UCSC-PSU-930WDC=).
Table A-5
Description
Class
Input
DC input voltage range
DC line input current (steady state)
Output
12 V main power output
12 V standby power output
Power supply output voltage
Environmental Specifications
Table A-6
Table A-6
Description
Temperature, operating
Temperature, nonoperating
(when the server is in storage or is transported)
Humidity (RH), noncondensing
Altitude, operating
Altitude, nonoperating
(when the server is in storage or is transported)
Sound power level
Measure A-weighted per ISO7779 LwAd (Bels)
Operation at 73°F (23°C)
Sound pressure level
Measure A-weighted per ISO7779 LpAm (dBA)
Operation at 73°F (23°C)
Cisco UCS C240 M4 Server Installation and Service Guide
A-4
lists the specifications for each 930 W DC power supply (Cisco part number
930 W DC Power Supply Specifications
lists the environmental specifications for the server.
Environmental Specifications
Appendix A
Specification
RSP1
–48 to –60 VDC nominal
(self-ranging, –40 to –72 VDC)
23 A peak at –48 VDC
930 W
30 W
Main power: 12 VDC
Standby power: 12 VDC
Specification
41 to 95°F (5 to 35°C)
Derate the maximum temperature by 1°C per every
305 meters of altitude above sea level.
–40 to 149°F (–40 to 65°C)
10 to 90%
0 to 10,000 feet
0 to 40,000 feet
5.8
43
Server Specifications
OL-32474-01