Setting up proper in home internet/ethernet for audio system & streaming


Please bear with me on this.  I am getting back into the hobby and with it, the need to assure my home internet system is properly implemented to facilitate internet and ethernet connections - beyond just wifi.

My starting point - my internet (Charter/Spectrum) comes into the house (basement) and is distributed to my modem via what I believe is called CAT cable (like for cable TV with the 1 metal pin at the center and screw bayonet).  The modem is connected to my wifi router via an ethernet cable of about 3 feet in length (generic, came with installation cable with modem).  I can place my modem and wifi router any place that I have a cable TV "plug/outlet".  My house does not have or is not wired with any ethernet ports in various rooms.  FWIW, I do not have in my area access to fiber internet delivery - so we need to rule out that as an option.

It is my understanding that it would be best to connect a "streamer" to a wired ethernet (vs. using wifi) to achieve better sound quality.  I am operating/proceeding on the premise that this is true or accurate.

I would also like to point out, that while I use a computer everyday and am technologically competent enough, I am not well versed or informed (or possibly even comfortable) with a highly advanced approach that will require programming of protocols and so forth for an ethernet set-up (I'd like something that is of a set-it and forget-it approach vs. constant playing with to get it to keep working and be stable).

I know in this hobby, there are likely several different levels of "perfection" in accomplishing what I need to do, and I can appreciate this.  So maybe when making suggestions, we categorize them into "general high end acceptable", "advanced, but with notable improvement to sound quality" and "state of the art level, superlative".

Does the modem make a difference and if so, what modem can one use or recommend that can be used in conjunction with the internet providers acceptance?

Does the transition from the modem to the router make a difference?  

Does the router (which I assume is both the wifi and ethernet router) make a difference? 

Should the through-wall cabling be ethernet or CAT cabling?

Do I need something more than just a router if it has integrated ethernet out ports?  If so, what do I need and for what purpose?  

If I am going to run ethernet from the router to more than one location (lets say 2 specific locations/rooms - ie. such as my office where my desktop computer is located and another to where my audio system is located) through the walls, do I use two ethernet outlet ports from the router with a 2-plug ethernet wall jack located near the router - with each of those ethernet jacks then having wire run to the designated location?  In that case, then would my streamer, if it will need to communicate and read files from my desktop computer, do so through the router as the middle man?

I recognize this is a long post/question, but am looking for a solution that I can follow or implement to get the desired outcome/results - at least to achieve something in the "generally high end acceptable" or "advanced, but with notable improvement to sound quality".

Thanks very much to anybody willing to share the advice and expertise.

ckoffend

So cable installers are notoriously unhappy with anything in line that they don’t actually install.  For  good reason, as many cheap surge strips include coax protection that significantly degrades the signal.  The external gas discharge units however are pretty reliable. By the National Electric Code, the coax must get to an external grounding block before it enters your home, however this is not surge / lightning protection.  This is required for ground potential equalization.  It is also the ideal place to put a gas discharge surge protector due to low impedance to ground and being OUTSIDE the home.  Meaning, large surge currents won’t be going through your wall.  Alternatively, if you want to avoid that completely,  use an Ethernet/Fiber/Ethernet isolator inside.  

OTOH, if your internal network will be 100% wifi, you can more or less safely skip that entirely, as Wifi is immune to network surges. 

While I will have to take a closer look tonight...

My main power line (from underground), my gas line and my "cable internet" lines all come into my house at the same point. Right next to all of these incoming feeds, sits a whole house generator which turns on and off automatically as needed.

The incoming coax (goes into a box, through a device that the installed replaced with a new one, and then another cable comes out of that device and goes into the house - he reterminated that cable but kept that cable in place) it goes through the wall, and in about 5-8 feet, where it gets connected to a splitter (5:1 or 3:1 - newly replaced during the reinstall).  The installer commented that it was nice that the output for the splitter were labeled to the appropriate room (for the other end).  He recommended disconnecting anything from the splitter that was not actively being used to reduce interference. We don't have Cable TV, so just the one out from the splitter goes to the modem and then to the router.

I will double check on the grounding configuration, outside, when I get home tonight.  I appreciate your input on this important aspect.

One thing he did say to me that I was surprised to hear, all those little connection points (splitters and extenders) are only good for a couple of years and then should be replaced as they degrade pretty quickly!  I never heard that before.

Somewhere you have a ground block that looks like this one. That's required at the consumer end of the run.  It's actually required for outdoor antennas as well. 

The incoming coax (goes into a box, through a device that the installer replaced with a new one, and then another cable comes out of that device and goes into the house - he reterminated that cable but kept that cable in place) it goes through the wall, and in about 5-8 feet, where it gets connected to a splitter (5:1 or 3:1 - newly replaced during the reinstall). 

The incoming coax (goes into a box, through a device that the installed replaced with a new one,

@ckoffend 

The Grounding Block is inside the box ... You should see an insulated green 14awg solid copper wire that exits the box. That's the ground wire that bonds, connects, the Grounding Block to the Electrical Service's Grounding Electrode System. If you can, follow the green insulated wire, see were it connects to. Describe in detail what you find. A photo would be nice. It may connect to something that looks like this.

Intersystem Bonding Terminal Block

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Some reading material for you.

https://forum.audiogon.com/discussions/lightning-storm

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CATV Training Institute's Post CATV Training Institute January 1, 2019 · BONDING TO GROUND (PART ONE)...

Nothing will protect equipment from a direct lightning strike.  

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