Controls And Lights; Power - Dell OptiPlex 5055 Tower Owner's Manual

Controls and lights

Table 27. 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 Yellow light — A breathing yellow light indicates that network activity is
Power supply diagnostic light

Power

Table 28. Power Specifications
Feature
Wattage
AC input voltage range
AC input current (low ac range / high ac
range)
AC input frequency
Coin cell battery
72 System setup
Specification
White light — Solid white light indicates power-on state; slow blinking white
light indicates sleep state of the computer.
White light — Slow blinking white light indicates that the computer is
reading data from or writing data to the hard drive.
Green — A 10 Mbps connection exists between the network and the
computer.
Green — A 100 Mbps connection exists between the network and the
computer.
Orange — A 1000 Mbps connection exists between the network and the
computer.
Off (no light) — The computer is not detecting a physical connection to the
network.
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.
Specification
240 W
90 – 264 Vac
4 A/ 2 A
47 Hz/ 63 Hz
3 V CR2032 lithium-coin-cell