w w w . d e l l . c o m s u p p o r t . d e l l . c o m

Controls and Lights (continued)

Link integrity light (on integrated

green light — A good connection exists between a 10-Mbps network

network adapter)

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

 

(or 1000-Mbps) connection.

 

off (no light) — The computer is not detecting a physical

 

connection to the network.

Activity light (on integrated network

yellow blinking light

adapter)

 

 

Diagnostic lights

four lights on the back panel (See "Diagnostic Lights" on page 53.)

Standby power light

AUX_PWR on the system board

Case front-panel light

color options: off (no light), ruby, emerald, sapphire (default), amber,

 

amethyst, topaz, diamond (See "Changing the Front-Panel Light

 

Color" on page 14.)

 

 

 

Power

 

 

 

 

 

DC power supply:

 

 

Wattage

460 W

Heat dissipation

931.2 BTU/hr

Voltage (see the safety instructions

fixed-voltage power supply —1 10 V at 50/60 Hz

located in the Product Information

manual selection and auto-sensing power supplies — 90 to 135 V at

Guide for important voltage setting

50/60 Hz; 180 to 265 V at 50/60 Hz; 100 V at 50/60 Hz for Japanese

information)

computers

 

Backup battery

3-V CR2032 lithium coin cell

 

 

 

Physical

 

 

 

 

 

Height

49.1 cm (19.3 inches)

Width

22.2 cm (8.7 inches)

Depth

48.8 cm (19.2 inches)

Weight

19 kg (42 lbs)

118

Appendix

Page 118
Image 118
Dell WHL, U7021 manual 118, Power, Located in the Product Information