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You can use it to monitor power supply failures or limit yourself in overclocking LED with “+” and GPIO23 indicate the operating mode:

  • Green - 5-volt present: PoE or USB-C or 5v direct
  • GPIO23 Low

uart-1

  • Orange (Green and Red together) - 802.3at Type 2 operating mode, PoE+
  • GPIO23 High
  • Blade can take up to 30W power (22W for RC2)

uart-1