Hi Roman,
thx for your Message.
I can't quite picture that.
There was no thunderstorm at the moment, nor was there a lightning strike. Any other overvoltage can be ruled out.
I have now reset the SunSDR to factory settings. In doing so, I was able to connect with SDR2 and the LED was no longer flashing. Shortly after the connection, it has automatically triggered a firmware update and completed this successfully. However, now after the FW update the flashing is again....also I can no longer reset to factory settings the TRX again....the alternating red/green flashing of the LED is gone when pressing the REset button after 3sec.
The transceiver is still accessible via PING. However, I do not see it in my network management (Unifi Dream Machine Pro).
The components on the PCB also look good, at least no massive traces of overvoltage. The KSZ and the PHY circuitry looks visually good.
By the way......the PCB design and inner workings are very well designed!!!
Pictures Attached