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INCA Masterstation PCB LED Indicators

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Status LED

LED3 – Bicolor SMD LED on board component side.

Status LED


  • Blinking 2 red + 1 green:: Station has no connection to the ICX-AlphaCom Server.
  • Blinking 1 red + 2 green:: Station connected but NOT registered in the ICX-AlphaCom Server.
  • Blinking 3 green:: Station connected and registered in the ICX-AlphaCom Server.

Power LED

LED6 – Yellow SMD LED on board component side.

Power LED


  • Light: 13VDC board power OK.
  • No light: 13VDC board power faulty if no other LEDs are lit.

Possible reasons:

  • 24 VDC or PoE not connected
  • Faulty board

LAN LEDs

Left LED:

Left LED


  • Steady light: Ethernet connection OK
  • Blinking: Ethernet traffic
  • No light: No Ethernet connection

Right LED:

Right LED


  • Light: 100 Mbit Ethernet connection
  • No light: 10 Mbit Ethernet connection
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