Dell OptiPlex 7020 Dell OptiPlex 7020 Small Form Factor Owners Manual - Page 57

Feature, Specification, Power, Wattage, Maximum Heat, Dissipation, Voltage, VAC to 240 VAC, 50 Hz

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Table 26. Controls and Lights Feature Specification Front of the computer: Power button light White light - Solid white light indicates power-on state; blinking white light indicates sleep state of the computer. Drive activity light White light - Blinking white light indicates that the computer is reading data from or writing data to the hard drive. Back of the computer: Link integrity light on integrated network Green - a good 10 Mbps connection exists between the adapter network and the computer. Green - a good 100 Mbps connection exists between the network and the computer. Orange - 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. Network activity light on integrated network adapter Yellow light - A blinking yellow light indicates that network activity is present. Power supply diagnostic light 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. Table 27. Power NOTE: Heat dissipation is calculated by using the power supply wattage rating. Power Mini-Tower Small Form Factor Coin-cell battery Wattage 290 W 255 W Maximum Heat Dissipation Voltage 989.00 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 5 A 870.00 BTU/hr 100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A 3 V CR2032 lithium coin cell 57

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Table 26. Controls and Lights
Feature
Specification
Front of the computer:
Power button light
White light — Solid white light indicates power-on state;
blinking white light indicates sleep state of the
computer.
Drive activity light
White light — Blinking white light indicates that the
computer is reading data from or writing data to the
hard drive.
Back of the computer:
Link integrity light on integrated network
adapter
Green — a good 10 Mbps connection exists between the
network and the computer.
Green — a good 100 Mbps connection exists between
the network and the computer.
Orange — 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.
Network activity light on integrated
network adapter
Yellow light — A blinking yellow light indicates that
network activity is present.
Power supply diagnostic light
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.
Table 27. Power
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Power
Wattage
Maximum Heat
Dissipation
Voltage
Mini-Tower
290 W
989.00 BTU/hr
100 VAC to 240 VAC, 50 Hz
to 60 Hz, 5 A
Small Form Factor
255 W
870.00 BTU/hr
100 VAC to 240 VAC, 50 Hz
to 60 Hz, 4.4 A
Coin-cell battery
3 V CR2032 lithium coin cell
57