Dell OptiPlex 9010 Owner's Manual page 58

Table 26. Controls and Lights
Feature
Front of the computer:
Power button light
Drive activity light
Back of the computer:
Link integrity light on integrated network
adapter
Network activity light on integrated network
adapter
Power supply diagnostic light
Table 27. Power
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Power
Mini-Tower
Desktop
Small Form Factor
Ultra Small Form Factor
Coin-cell battery
58
Specification
White light — Solid white light indicates power-on state; blinking
white light indicates sleep state of the computer.
White light — Blinking white light indicates that the computer is
reading data from or writing data to the hard drive.
Green — a good 10 Mbps connection exists between the
network and the computer.
Orange — a good 100 Mbps connection exists between the
network and the computer.
Yellow — 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.
Green light — The power supply is turned on and is functional.
The power cable must be connected to the power connector (at
the back of the computer) and the electrical outlet.
Wattage Maximum Heat Dissipation
275 W 1390 BTU/hr
250 W 1312 BTU/hr
240 W 1259 BTU/hr
200 W 758 BTU/hr
Voltage
100 VAC to 240 VAC, 50 Hz to 60
Hz, 5.0 A
100 VAC to 240 VAC, 50 Hz to 60
Hz, 4.4 A
100 VAC to 240 VAC, 50 Hz to 60
Hz, 3.6 A
100 VAC to 240 VAC, 50 Hz to 60
Hz, 2.9 A
3 V CR2032 lithium coin cell