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Jumpers, headers and push buttons on CM-Panel POE

Push buttons

Jumpers and Headers

  • J4 - ATTiny In-circuit programmer header
  • J5 - Normaly open ad normaly closed terminal of on-board relay
  • J11 - When this jumper is closed the ATTiny co-processor can't interrupt main power supply
  • J16 - Raspberry Compute Module debug port (/dev/ttS1)
  • J17
    • Pin 1 and 2 closed: Supercap wired to the charging circuitry
    • Pin 2 and 3 closed: Supercap wired to GND via a discharge resistor
    • All open: Supercap unwired

EXP1 and EXP2 headers


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