Dell OptiPlex 7020 Tower OptiPlex 7020 Mini Tower Owners Manual - Page 54
Table 26. Controls and Lights, Orange - a good 1000 Mbps connection exists between
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Feature Password clear jumper RTC reset jumper Internal speaker Intruder connector Power connector: Mini-Tower, Small Form Factor Specification one 2-pin connector one 2-pin connector one 5-pin connector one 3-pin connector one 8-pin, one 4-pin, one 6-pin, connector 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. 54
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