Dell XPS 720 Black Owner's Manual - Page 164

Controls and Lights (continued) 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 yellow blinking light when there is activity on the network; if there adapter) 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 166). 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 166). 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 auto-sensing power supply-90 V to 265 V at 50/60 Hz located in the Product Information Guide) Backup battery 3-V CR2032 lithium coin cell 164 Appendix