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Controls and Lights
Power control push button
Power light green light — Blinking green in sleep
state; solid green for power-on state.
amber light — Blinking amber indicates
a problem with an installed device;
solid amber indicates an internal power
problem.
Hard-drive access light green
Network activity light (front panel) solid green indicates network
connection
Link integrity light (on integrated
network adapter)
green light — A good connection exists
between a 10-Mbps network and the
computer.
orange light — A good connection exists
between a 100-Mbps network and the
computer.
yellow light — A good connection exists
between a 1-GB (1000-Mbps) network
and the computer.
off (no light) — The computer is not
detecting a physical connection to the
network.
Activity light (on integrated network
adapter)
yellow blinking light when there is
activity on the network; if there is not
any network activity, the light will be
off
Diagnostic lights four lights on the front panel (see
Diagnostic Lights)
Standby power light AUXPWR on the system board
Front panel LEDs eight multi-colored LEDs provide
illumination for the front of the
computer
NOTE: The color of the front panel
LEDs can be adjusted in system setup
(see System Setup).
Back panel LEDs two multi-colored lights provide
illumination for the I/O panel on the
back of the computer
NOTE: The color of the back panel
LEDs can be adjusted in system setup
(see System Setup).
Power
DC power supply: CAUTION: To reduce the risk of fire,
electric shock, or injury, do not
overload an electrical outlet, power
strip, or convenience receptacle.
The total ampere rating of all
products plugged into an electrical
outlet, power strip, or other
receptacle should not exceed 80
percent of the branch circuit rating.
Wattage 750 W or
1 KW
Voltage (see the safety
instructions located in the
Product Information Guide)
auto-sensing power supply—90 V to
265 V at 50/60 Hz
Backup battery 3-V CR2032 lithium coin cell
Physical
Height
Without stand 55.5 cm (21.9 inches)
With stand 57.2 cm (22.5 inches)
Width
Without stand 21.9 cm (8.6 inches)
With stand 35.6 cm (14.0 inches)
Depth 59.4 cm (23.4 inches)
Weight
Typical configuration 21.7 kg (47.8 lb)
Maximum configuration 25.6 kg (56.4 lb)
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Documentation
6.07.2007
http://support.euro.dell.com/support/edocs/systems/720H2C/en/OM/appendix.htm