Table 1-10 Heat dissipation**
115 VAC 230 VAC 100 VAC
LAN
enabled
LAN disabled LAN enabled LAN disabled LAN enabled LAN disabled
Windows idle (SO) 399 btu/hr 396 btu/hr 399 btu/hr 396 btu/hr 406 btu/hr 403 btu/hr
Windows busy (S0) 652 btu/hr 648 btu/hr 642 btu/hr 638 btu/hr 652 btu/hr 648 btu/hr
Sleep (S3)* 11.3 btu/hr 8.9 btu/hr 23.5 btu/hr 20.8 btu/hr 11.3 btu/hr 8.5 btu/hr
Power off (S5) 6.4 btu/hr 4.1 btu/hr 16.7 btu/hr 14.3 btu/hr 6.4 btu/hr 4.1 btu/hr
* Energy Star lower energy mode.
** Heat dissipation is calculated based on the measured watts, assuming the service level is attained for one hour.
This product is in compliance with US executive order 13221, WOL (wake on LAN) disabled.
System fans
The workstation includes a rear system fan, one memory fan, one CPU heatsink fan, one power supply
fan, plus an optional front system fan is available for special considerations.
Resetting the power supply
If an overload triggers the power supply overload protection, all power is immediately disconnected. To
reset the power supply unit:
1. Disconnect the power cord.
2. Determine what caused the overload and fix the problem.
3. Reconnect the power cord and reboot the workstation.
When you power down the workstation through the operating system, power consumption falls below
the low power consumption but does not reach zero. This on/off feature extends the life of the power
supply.
Environmental specifications
This section describes environmental specifications of your workstation.
Table 1-11 Environmental specifications
Temperature (operating) 40° to 95°F (5° to 35°C)
Temperature (non-operating) -40° to 140°F (-40° to 60°C)
Humidity (operating) 8% to 85% RH, non-condensing
Humidity (non-operating) 8% to 90% RH, non-condensing
Altitude (operating) 0 to 10,000 ft (3,048 m)
Altitude (non-operating) 0 to 30,000 ft (9,144 m)
Shock (operating) 1/2-sine: 40 G, 2–3 ms
Shock (non-operating) 1/2-sine: 160 cm/s, 2–3 ms (~100g)
Square: 20 G, 422 cm/s
ENWW Product specifications 9
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