Actually, now the IP is “N/A” on the Lina
OK, and the Lina is connected directly to this router with an ethernet cable? If that is the case then either there is a fault with the cable or with the router**. If you have a spare cable you can swap in you should quickly be able to check that.
Is your iPhone able to connect to the internet via Wi-Fi connected to that router? Can you reach google.com for example? Can you confirm that the iPhone is even connected to that router via Wi-Fi by seeing if it has an IP address per above?
If not it all seems to point to a problem with the router. Either a hardware fault or some misconfiguration. If you can check and get back to me on the above questions we should be able to determine which.
** If that is not the case please could you make it so temporarily by moving the Lina close enough to the router to connect it with one visible cable and see if it then able to acquire an IP address. It doesn’t need to be connected to any amplifier for that test.
Just a small addition to @struts001 as something similar happened to me a long time ago. As well as suggested, just connect Lina to another port on the router. I was experiencing a faulty router port. Worth this simple try.
The iPhone works as do all other devices on the system. The Lina is not plugged directly into the router, but rather a port in my office that was run for hardline connection.
I swapped cables initially with no success. I will take the Lina out of my office to the router and direct connect to see what it does and report back!
Would also be good if you could test the ethernet port in your office with something like a laptop. Sounds like that could be the problem.
Usually all these hardline points throughout your house are all together connected to a switch, which switch should then also be connected to your router.
Is that the case?
If not, your hardline points cannot communicate, and do not have internet access.
But surely a router is a switch?
Absolutely. Routers include a switch but it is usually limited to 4-5 ports. If a house has been wired for ethernet it usually requires more ports than that which requires a separate, bigger switch. Luckily they can easily be daisy-chained.
Point taken. Additional switches with audiophile claims can also be added which I have, being a naughty,irrational type 
.
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Holding pattern for now. My home theater audio folks are gonna pop over for a separate project this week and will assist with this 
Any issues I’ll be sure to post here. Ty all once again for all the help!
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Maybe you are oversimplifying? A router really is absolutely not a switch. And it is important to understand the differences, so instead of writing it myself, and just in case you want to understand the differences, please read this:
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Hi Erno,
IMO you’re both right and wrong and actually it doesn’t even matter. Routers are not switches (according to the “proper” definitions) but actually what most people call a “router” is actually a router, a switch and a (Wi-Fi) access point all combined into one. A difference that makes no difference IMHO.
All the “combi” “routers” that I have seen have max 5 ports which is insuffiicient to hardwire all but the smallest homes. So, when people buy a “router” (inverted commas) from their Internet Service Provider but have a home that is hard wired for internet, they will almost always need a secondary switch (which they can daisy-chain to their ISP-provided “router”) to cover the number of rooms (ports) they require.
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Yes, I said that already, so it is important to know the difference.
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Hi All,
Just as a general comment may I respectfully suggest for future posters that it may have been appropriate to have created a new thread otherwise things can get a little confused / confusing as the thread is flagged as solved - or better still email [email protected] and we’ll pick up with you directly…
Anyway, the first thing to do is find out whether the Lina DAC is connected to a network. There has been a lot of activity here so what information from it all do we have to work with?
My understanding from having a read through is that the Lina DAC is connected directly to the router using an Ethernet cable with no other switches or network extenders between the Lina and the router - is that correct?
The Lina giving an IP address of N/A suggests that it does not see a network connection at all - if it saw a connection to a network device (such as a switch) but can’t get a DHCP response then it would set itself up with an autoconfigure IP address instead (169.254.x.y) … so at this time then the essential is to get the Lina DAC connected to your router and it having an appropriate IP address for your network.
Until we have your Lina DAC getting an IP address from your network then anything else that you do with Mosaic or anything else is wasted.
What Ethernet cable are you using to connect your Lina DAC to your router? Are you definitely using the Ethernet Port on the Lina DAC and not the power sync port (wouldn’t be the first time)? Also, after having the second physically damaged Ethernet Port of the month through my email this afternoon can you take a close up photo with your phone of the RJ45 port that you are plugging your Ethernet Cable into showing as much detail of the inside of the socket as you can - it would be good just to confirm that there is no physical damage.
When your Lina DAC was supplied it would have been supplied with an Ethernet cable - do you still have that cable?
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All fixed. Got the help I needed which was (as expected) based on my internet setup. Switch box and all better
Thanks all!
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