Dell XPS 720, Руководство пользователя

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166
Appendix
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" on page 66)
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" on page 168).
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" on page 168).
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
Controls and Lights (continued)