Dell OptiPlex DCCY Setup And Quick Reference Manual page 42

Controls and Lights (continued)
Diagnostic lights
Back of the computer:
Link integrity light on
integrated network adapter
Network activity light on
integrated network adapter
Power
DC power supply:
Wattage
mini tower
desktop
small form factor
ultra small form factor
Maximum heat dissipation
(MHD)
mini tower
desktop
small form factor
ultra small form factor
NOTE:
Heat dissipation is calculated by using the power supply wattage rating.
42
Specifications
four lights
NOTE:
For the ultra small form factor computer, the
diagnostic lights are on the back panel. See "Ultra Small
Form Factor — Back View" on page 15.
green light — A good 10 Mbps connection exists
between the network and the computer.
orange light — A good 100 Mbps connection exists
between the network and the computer.
yellow light — A good 1000 Mbps connection exists
between the network and the computer.
off (no light) — The computer is not detecting a
physical connection to the network.
yellow light — A blinking yellow light indicates that
network activity is present.
305W non-EPA; 255W EPA
255 W
235 W
220 W
1041 BTU/hr
955 BTU/hr
938 BTU/hr
751 BTU/hr