state; solid green for power-on state

Drive activity light

Green light — A blinking green light

 

indicates the computer is reading data

 

from or writing data to the hard drive or

 

CD/DVD

Network link light

Green light — Solid green indicates

 

connection to an active network

 

Off (no light) — System is not connected

 

to a network

Back of the computer

 

Link integrity light (on integrated network adapter)

Network activity light (on integrated network adapter)

Power

DC power supply:

Wattage

Off — The computer is not detecting a physical connection to the network Green — A good connection at 10Mbs exists between the network and the computer

Orange — A good connection at 100Mbs exists between the network and the computer

Yellow — A good connection at 1000Mbs exists between the network and the computer

Yellow blinking light

1100 W

Voltage

100–240 VAC, 50–60 Hz, 12.0 A

Coin-cell battery

3V CR2032 lithium coin cell

Physical

 

Height

56.50 cm (22.25 inches)

Width

21.60 cm (8.50 inches)

Depth

55.30 cm (21.80 inches)

Weight

at least 24.90 kg (55 lbs)

Environmental

 

Temperature range:

 

Operating

10° to 35°C (50° to 95°F)

Storage

-40° to 65°C (-40° to 149°F)

Relative humidity (maximum):

20% to 80% (noncondensing)

Maximum vibration

 

Operating

5 to 350 Hz at 0.0002 G²/Hz

Storage

5 to 350 Hz at 0.0002 G²/Hz

Maximum shock

 

Operating

40 G +/- 5% with pulse duration of 2

 

msec +/- 10% (equivalent to 51 cm/sec

 

[20 in/sec])

Storage

105 G +/- 5% with pulse duration of 2

 

msec +/- 10% (equivalent to 127

 

cm/sec [50 in/sec])

Altitude (maximum):

 

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Dell T7500 service manual Power, Physical, Environmental