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fzman1956

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  1. So, I've gotten several of the Cisco 2960 switches, several 8 port, and 1 24 port, yet to arrive. I'm curious about the SFP slots on these, and whether there is any data performance advantage to inter-connect the switches to each other via SFP modules and fibre... Is single-mode better, than multi-mode for runs of 10m or less? This would be to 'speed up'(?) the NUC, the NAS, and PCs using ethernet connections to surf the web, and transfer rips to the NAS. I run Roon Core on an i7 nuc, have basic 4-drive QNAP NAS with 6T HGST drives in it, and an ASUS 88U router, which I use as for wi-fi and a switch (at the moment). This stuff is all in my basement, so mechanical noise is not an issue. I'm going to try the 24 port 29060G I ordered, in lieu of the switching functions built-into the ASUS. The question is, if I want to use 2960s for both of my end-points (PSAudio Directstream and a Directstream Jr.in 2 different rooms) should I connect the switches to each other using copper, or SFPs.
  2. This post is my attempt to combine a number of questions/concerns about how to get the best sound out of networked audio--without spending a fortune 'buying and trying'. I'm running Roon core on my desktop PC, pulling files from a NAS, feeding 4 zones. My internet is 150G Xfinity, and I live in a house by myself. I don't expect to get a concensus on all of this, but would love to hear what's worked (or failed miserably) for people, and what some of the real theory behind these things might be. It will become clear that I am not an EE or a network engineer, so forgive me in advance if some of these questions are naive/wrong-headed, but it is useful to understand how I may be relying on an incorrect picture/model of how these things work. I also believe that the stuff in the basic textbooks is not always the whole truth either. Here goes, in no particular order: 1.Switches, beside # of ports, and managed/unmanaged, what matters for performance? 2. I've built but not yet tried some of the JS grounding adaptors, but also have a few metal-cased switches that have grounding screws. Should I connect their grounds as well? Should I do this for every wallwart powered network device in the whole network? 3. I have an ASUS AC88U router with a built-in 8 port switch- will it matter whether I use all 8 ports, feeding other switches as necessary, or should I offload the switching functions from the router as much as possible? Is it good/bad/neutral to have data/music flow through mutiple switches, vs a more direct path? 4. Ethernet cables: Is anything above CAT6 enough? Shielded vs. unshielded? Proximity to other cables - AC, e.g.? 5. Will LPS's work better than SMPS, for all of the networking hardware? That's it for now. Thanks in advance for your replies. Mark
  3. True, but there is a hidden assumption here, which commits the logical fllacy called ' the law of the excluded middle'. In other words, the false dilemma is that perceptions or memories are either perfect or useless. Pointing out that they can be flawed is not an automatic indictment of all empirical claims. When it comes to audio, many pundits commit this very fallacy, whene=ver they simply claim that it doesn;t matter if you (think) you heard a difference because 'sticks look bent in water'. It is not all or nothing.
  4. I hear this all the time, and would like to know if you don;t wear a coat whjen it "feels" cold out, try to touch things that "feel hot" assume the floor might not support you even though it feels solid, or a bazillion other things you routinely trust your sense for. We could not survive without trusting our senses, and we DO survive because they work quite well. Yes, sticks look bent in water. Move on!
  5. Dan, I am interested in the Auraliti - how much are you asking, will you sell it without th sotm, and which psu do you have for it? Oh, and why are you selling it? I would use it instead of a smallgreencomputing micro vortexbox, so I woue be ready to play dsd files. I want something I can run headless, feed from a direct-connected hard drive, and that sounds really good. Let me know what you think. Best, Mark
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