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USC-3 Manual > Interfaces and Signals > LED Indicators

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The blue LED for power indication turns on with 4.2 V and switches off for power values higher than 6.2 V.

power_led_USC-3

Figure 14: Power LED next to the USB port

Furthermore, there are three LED Indicators with the following function:

led

Figure 15: LED indicators

FPGA Access (FA, yellow):

•Indicates data transfer via the USB or Ethernet connection.

•Blinks with ~3 Hz during booting.

•Flickers during data transfer.

Mark In Progress (MIP, red):

•This LED is connected in parallel with the opto-isolated Opto_Out_0 (pin 3) output of the 37-pin connector. It is ON during marking.

Operation (OP, green):

•OFF or blinking: The device is not operational

•ON: The device is operational

 

For further information, see Signals During Booting.