![]() You might want to have a read on this thread: tab=comments#comment-736293 . If the SMS-200 is any good with Ethernet, it should be enough. So, introduce the rest of your solution before the fibre converters and see if it is good enough on its own. Just ignore the marketing stuff on the box. The same probably applies to the Audioquest Thunderbolt cables, but at least they should be well made if you are using longer lengths. There is no special "audio" Ethernet standard, the cables aren't directional, and a "faster" cable can't make a difference over anything that is to standard. Don't let me put you off Audioquest Pearl if you want an "audio" Ethernet cable but there will be no advantage from the more expensive types. With decent equipment you can use a bad (as in dropping some packets!) 1.5m cat3 cable for a short length from the switch to the streamer with no audible difference (done this, blind, with my Oppo) - no, I'm not recommending that, but any decent certified cat 5e or better cable will do the job fine over that sort of length. The Audioquest Ethernet cables are in my experience a waste of money. So another option is to switch to something like a Benchmark DAC, which is designed to reject noise over Ethernet to a very high standard. If your streamer is poorly designed, then a low level of unrejected noise can still have an effect. As you have the isolation ahead of the switch, you should get very close to, or the same noise with and without the isolation in practice, believe it or not.Ī cheap switch was enough for me with Ethernet to my Oppo 105.Īny additional components you introduce will have their own noise, including the switch and the fibre to Ethernet adaptor. The problem probably lies with the 25m cable as much as the router.Īssuming the length from the network switch to the DAC/streamer in your diagram is only a couple of metres, the switch should suffice on its own to reduce noise without the optical isolation. ![]() I'm planning on buying another pair for a total of 4 ethernet cables in order to achieve the setup similar to this diagram: As well as 1m Cat 5e cable that came with the Telstra Smart Modem which is what I used to stream music over LAN. But I've found this from staticice: įor the ethernet cable, I already have the 25m Comsol Cat 6 cable that's currently being plugged into Telstra Smart Modem that's in living room & SMS-200 that's in my bedroom. So if I want to stream my music that's stored in my Laptop/Mac mini over LAN to my SMS-200, should I be getting the MC200CM or MC210CS?įor the router, I'm using the Telstra Smart Modem.įor the switch, I'm planning on buying the one recommending in the article I've mentioned from Harvey Norman: įor the fiber optic cable, I'm still confused as to which one I'm supposed to get. A guy name petersv recommends using 2x TPLink MC210CS which is a different product from the previous article that was recommending the 2x TP-LINK MC200CM Gigabit Media Converter : I've read this tutorial which pretty much sums up how to setup the ethernet optical isolation: but there's one thing that's puzzling me. I then found out that ethernet optical isolation is the best way to eliminate any noise coming from the router. I have a feeling that the reason why the SQ doesn't sound as good over LAN is probably due to noise coming from the router. ![]() Which shouldn't be the case as it was designed to be used over LAN. As a result, the light will be either reflected or absorbed.I've recently started using NAA's and I was strangely finding the SQ from portable HDD directly attached to the SMS-200 to be better sounding than from LAN over MDP & DLNA. Then the light of 90° polarization becomes vertical to the input polarizer and can not leave the isolator. Next, as it passes through the Faraday rotator, it continues to be rotated for anther 45° in the same direction. However in the backward mode, the light first enters into the output polarizer with a 45° polarization. Thus, the light finally leaves the output polarizer at 45° polarization. When laser light reaches the Faraday rotator, the Faraday rotator rod will rotate by 45° polarization. The forward mode enables light enter into the input polarizer and become linearly polarized. One is the forward mode and the other is the backward mode. The rotation direction depends on the direction of the magnetic field instead of the direction of light transmission.Īccording to different light directions, there are two types of operation modes. Faraday effect refers to a phenomenon that the plane of polarized light rotates while transmitting through glass (or other materials) that is exposed to a magnetic field. The operation of optical isolator is based on the Faraday effect which was discovered by Michael Faraday in 1842.
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