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This category was created to discuss various questions and topics regarding ExpertSDR3 operation.

TOPIC: Lost connection with SunSDR2DX!

Lost connection with SunSDR2DX! 29 Dec 2023 20:11 #1

  • G0SDF
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Hi, ExpertSDR2 works beautifully.
ExpertSDR3 no way, thought I would try the new "bugfree" Expert SDR3.
I have started the SunSDR2DX from the Devices section now have the main layout for the radio, I press the "power" button top left of screen, the radio starts then after 5 seconds get the "Lost connection with SunSDR2DX!" message.
Any suggestions please!
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Lost connection with SunSDR2DX! 29 Dec 2023 21:06 #2

  • Svante
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Firmware ?
sm6usu
sm6usu
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Lost connection with SunSDR2DX! 30 Dec 2023 17:24 #3

  • LA1IO
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Chack that the connection is not denied by your firewall.
LA1IO
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Lost connection with SunSDR2DX! 30 Dec 2023 19:04 #4

  • G0SDF
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I have enabled ExpertSDR3 in the Windows Firewall. I have loaded the Firmware. No joy. :(
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Lost connection with SunSDR2DX! 30 Dec 2023 19:32 #5

  • LA1IO
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In addition you also have to enable the internal network in the radio.
LA1IO
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Lost connection with SunSDR2DX! 30 Dec 2023 21:33 #6

  • VK6NX
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G0SDF wrote:
I have enabled ExpertSDR3 in the Windows Firewall. I have loaded the Firmware. No joy. :(

Something is missing in this picture ...
"Enabled in the Windows Firewall" - tick
"Loaded the Firmware" - tick
But something still missing... What is would be... Hah! Have you read the manual and FAQs?
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Lost connection with SunSDR2DX! 31 Dec 2023 10:15 #7

  • G0SDF
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I figured that because there is initially on switch on a connection to the SunSDR2 which is then lost (the same problem I had with ExpertSDR2 a few years back) that it had to be firewall related. I therefore disabled the windows firewall and hay presto" all works!
Just need to figure out how to enable the program ExpertSDR3 to run with firewall enabled.
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Lost connection with SunSDR2DX! 31 Dec 2023 10:39 #8

  • Svante
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You can enable sdr3 in firewall program.
Happy new year.
Svante sm6usu
sm6usu
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