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PD 3950 LED Indicators

A PD 3950 USB to P-NET Interface is equipped with 3 LED indicators: “On” (green), “Error” (red), and (green) “Link”. The state of the device is indicated by the LEDs, in accordance with the scheme shown in the table.

 

Meaning

On (Green)

Error (Red)

Link (Green)

No power / Suspended

OFF

OFF

OFF

Enumerated

ON

OFF

OFF
Enumerated, traffic

ON

OFF

Flashing

P-NET Gateway Service connection error

ON

ON

OFF

 

 

 

 

Error, not running

OFF

ON

OFF

Bootmode (Flash corrupted)

ON

Flashing

OFF

Error (RAM, EEPROM fault)

ON

ON

ON, OFF or Flashing

 

 

 

 

 

Enumerated

As soon as Windows has enumerated the PD 3950 USB Interface, it will be displayed in the Device Manager. When the PD 3950 is disconnected the USB device will be removed from the list.

 

P-NET Gateway Service connection error

If the PD 3950 is not able to connect to the P-NET Gateway Service, please ensure that the service has been started. This error can also be caused by an incorrect configuration of the service.