Dell Dimension E521 - Page 52

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orange light — A good connection exists between a
100 Mbps network and the computer.
off (no light) — The computer is not detecting a
physical connection to the network.
Network activity light (on integrated network
adapter)
yellow blinking light
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Power
DC power supply:
Wattage
305 W
Maximum heat dissipation
1041 BTU/hr
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NOTE: Heat dissipation is calculated by using the
power supply wattage rating.
Voltage (see the safety instructions located in
the Product Information Guide for important
voltage setting information)
90 to 135 V and 180 to 265 V at 50/60 Hz
Backup battery
3-V CR2032 lithium coin cell
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Physical
Height
41.4 cm (16.3 inches)
Width
18.8 cm (7.4 inches)
Depth
45.7 cm (18.0 inches)
Weight
12.7 kg (28.0 lb)
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Environmental
Temperature:
Operating
10°to35°C(50°to95°F)
Storage
–40°to65°C(–40°to149°F)
Relative humidity
20% to 80% (noncondensing)
Maximum vibration:
Operating
5 to 350 Hz at 0.0002 G
2
/Hz
Storage
5 to 500 Hz at 0.001 to 0.01 G
2
/Hz
Maximum shock:
Operating
40 G +/- 5% with pulse duration of 2 msec +/- 10%
(equivalent to 20 in/sec [51 cm/sec])
Storage
105 G +/- 5% with pulse duration of 2 msec +/- 10%
(equivalent to 50 in/sec [127 cm/sec])
Altitude:
Operating
–15.2 to 3048 m (–50 to 10,000 ft)
Storage
–15.2 to 10,668 m (–50 to 35,000 ft)