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TOPIC: New owner! Linux help. please

New owner! Linux help. please 11 Feb 2022 01:18 #1

  • KC8HXO
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Bought a used Pro2, and am excited. 1. if best to reset the radio, how is this done? Will that reset the IP address back to factory? I have latest version SDR2 software installed on my linux box. I fire up the rig, and hit discover.... It can see the radio, but the IP addressof radio it says is 10.x.x.?..... something like that. If I tell it to USE, then hit info, it says it cannot find the radio. I am guessing the radio and my eth0 are on different sub nets, or some such? How do I change the IP addy of the radio, if I cannot talk to it? When and why do i go to the EXPERT tab and play with the IP address there.... what does it do when I change it there? If I write there, do I assume all of those other values are correct?
Thanks in advance!
Greg, KC8HXO Michigan, USA
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New owner! Linux help. please 11 Feb 2022 11:29 #2

  • S58WW
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Hello Greg!

Go to support part of this WEB. and read read read...
Factory reset SUNSDR2pro...SUNSDR2pro IP then will be 192.168.16.200
Connect RIG directly to your PC ...no network just directly UTP cable... adjust your network adapter with correct IP settings to be compatible with SUNSDR2pro IP. Same IP set, subnet mask 255.255.255.0 etc.
Good luck!
73 Pibo S58WW
2 X SUNSDR2pro
Main shack PC:
AMD RYZEN 7 2700 (8 cores ; 16 threads) 32 GB RAM
on Gigabyte Aorus Elite B450 with 1TB and 250 GB INTEL NVMe M.2
NVIDIA GeForce GTX 1660 SUPER
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New owner! Linux help. please 12 Feb 2022 00:51 #3

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Oh, Yes.... I've been reading about them for over a year. I just wanted confirmation about the reset.... in one of the documents, a fellow posted a horror story about bricking his unit by doing a reset. It may be noted, my reset did not complete until I hooked up the network cable to the laptop. It then instantly turned solid green. Best news yet, I stumbled thru, and am ON THE AIR!!! Now the real learning begins. Thanks for the note.
Best Regards,
Greg, KC8HXO
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New owner! Linux help. please 12 Feb 2022 02:03 #4

  • VK6NX
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Happy to hear you've sorted it out.

Obviously, the reset (or any fresh start after power on) of the SunSDR will not complete until transceiver's NIC card is plugged to the working network port (in UP state).

Note: the majority of posted "horrors" came from people who either did not red/follow documentation, or doing things their "own way", or have wrong PC/network HW setup. And it is rarely seeing when "horror makers" actually come back here and state, that it "horror" was completely their fault. Another thing is that on every single "horror" there are 999 "success stories" (obviously, not posted here).

GL
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New owner! Linux help. please 15 Feb 2022 23:31 #5

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Why would that be obvious, when it is stated nowhere that I could find? Any other radio, when doing a master reset, one is ALWAYS advised to DISconnect all peripherals. Again, it would be good to state that in the instructions.

Thanks!
Greg, KC8HXO
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New owner! Linux help. please 16 Feb 2022 01:05 #6

  • VK6NX
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Hi Greg

It is obvious, because the SunSDR startup procedure just follows common logic.

Easiest explanation would be, perhaps, via analogy. What would happen, if you unplug the car computer from your modern car and then turn the start key into start position? Obviously - the car will not pass start pre-check and there is very limited (almost fraction of zero) chance, that the car will fire up the engine. Without digging into discussion about cars and how many of them have keys and buttons (and how many will still have a chance to fire up in described situation), the main idea of above analogy is that when used as a standalone device, the SunSDR is very expensive and technology reach brick, even not heavy enough to be become a hammer. But when plugged into LAN port (via any supported way) it becomes what it is expected to be.

Hence, if you follow the logic, the pre-start procedure should include LAN connectivity check, with (preferably) visual indication to the user about any potential startup error. And that is what SunSDR is doing - when LAN disconnected, it holds the startup and is informing you via blinking green LED that something is wrong, waiting for you to fix. The startup procedure will continue as soon as SunSDR will be able to confirm L1/L2 LAN connectivity.

Please note, that common logic approach is widely used in SunSDR world. We all aware that common logic became a treasure in recent years, however it is highly advised to be utilised by the user when operating SunSDR (saves the user from many troubles).

As for where is it stated in documentation: Section 1, listing "Computer net LAN – cable" under required components. Well, this section also follows common logic, assuming the cable will be used as usual (not for hanging the dog of the user's ex-).

Hope it helps.
Last Edit: 16 Feb 2022 01:08 by VK6NX.
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New owner! Linux help. please 16 Feb 2022 01:38 #7

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No worries, Pavel...I guess what puzzles me is, the network card in the laptop didn't yet have a configuration to talk to the radio yet. I guess it wanted to see any network???
Thanks again....I'll learn.
Greg. KC8HXO
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New owner! Linux help. please 16 Feb 2022 02:12 #8

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Well ... It would be easier to understand if you look closely into components. Transceiver's NIC cards is completely independent from PC's one. It has its own IP address, written into memory. On physical and data link layers the transceiver's NIC card just going via common ethernet communication (just pop google for that, there are hundreds of different resources talking. the example - I just copied first from the search).

Also note that the transceiver does not require IP (layer 3) connectivity as yet to complete the startup. IP will come later, when communication between ESDR and SunSDR is about to be established.

Anyway, understanding OSI model and communication principles is not the prerequisite for SunSDR operations. It is just a benefit.
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