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ABOUT THE SWITCHES
Power Supply Status LEDs
LED Condition
Power Redundant Status
Power
Off Off No AC power
Green Off Internal power supply is operating
properly; redundant power supply
is not present or has been
disconnected
Green Green Both internal and redundant power
supplies are operating properly
Red Green Internal power supply has failed;
device is being powered by
redundant power supply
Red Off Redundant power supply has
failed; device is being powered by
internal power supply