Dell External OEMR R5500XL User Manual - Page 6

Control Lights And Diagnostic Lights System ID button and light Drive activity light Network link integrity lights (front): Network link integrity lights (rear): Network activity lights Diagnostic lights: Power Coin-cell battery Voltage Wattage blue light - flashes (front and back of chassis) when the button is pressed. Press the button again to turn it off. blue light - blinking blue light indicates that the computer is reading data from, or writing data to the hard drive. blue light - A good connection exists between the network and the computer. off (no light) - The computer is not detecting a physical connection to the network. green - A good connection at 10 Mbs exists between the network and the computer orange - A good connection at 100 Mbs exists between the network and the computer. amber - A good connection at 1000 Mbs exists between the network and the computer. amber - flashes when there is network activity on the connection. off - computer is off or has completed POST. amber/blinking - see the service manual for specific diagnostic codes. 3 V CR2032 lithium coin cell 100 V to 240 V, 12.00 A to 6.00 A, 50 Hz to 60 Hz 1023 W on 100 VAC to 120 VAC, 1100 W on 200 VAC to 240 VAC 6