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Power LED
The Power LED is located beside the power button.
Power LED Behavior
Off (no light)
Green flash very slow
Green on
Green flashing slow
Green flashing fast
Red on
Red flashing
UPS Mode LED
The UPS Mode LED is located between the brightness control buttons.
UPS LED Behavior
Green flashing fast
Green on or flashing slow
Off (no light)
COM Port LEDs
There is an LED next to both the COM1 and COM2 serial ports
COM Port LED behavior
Off (dark)
+5V power is applied to pin 9 of COM1
+12V power is applied to pin 9 of COM2
System State
Off and not powered
Off but powered
Operating normally
Suspend
Black-out Screen
Over voltage shutdown
Over temperature
UPS Battery State
UPS battery powered
UPS battery charging
UPS battery charged
No power applied to COM port
Green
Amber
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COM Port State
1-5
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