Re: Digest for hermes-lite@googlegroups.com - 1 update in 1 topic

[John Shoffner]

Actually, right now they are on sale $2.91 for a pair,  or $0.99 each.    Plus shipping and maybe a tariff,  so…

John Shoffner 

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On Sep 2, 2025, at 11:34 PM, herme...@googlegroups.com wrote:



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• Using fibre as a network connection between the HL2 and the PC - 1 Update

Using fibre as a network connection between the HL2 and the PC

Kurt V. <kvla...@gmail.com>: Sep 02 03:39PM -0700 Hi all,   I just came up with the idea of using 2 media converters, so basically go from the HL2 UTP to a media converter, then fibre and then a media converter and back to UTP. Nowadays, these media converters can be purchased reasonably cheap: for example https://s.click.aliexpress.com/e/_oFHRMYR   Only €14 for 2. Add the fibre cable and I guess you'll spend about €18 max.   Why will you probably say? Well here is the idea..... Our computers are QRM and ground noise generators, as well as our networks, switches and hubs. If you add a fibre cable in between, you physically isolate the electrical connection of the HL2 or the Anan from the computer. So any generated QRM from your laptop or desktop and coming in through the copper wire cable of your UTP connection will be eliminated.   Another big advantage is getting rid of possible RFI. Fibre is RFI friendly, while copper wires are a RFI magnet.   I wonder if someone has these media converters laying around and do some tests to see how the ground floor noise compares in both connection scenario's.   73's de ON7OFF

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[Steve Haynal]

Do you notice any reduction in QRM? My guess is that some ferrite around the ethernet would eliminate most QRM. I've seen noise from cheap routers and switches which can be significantly reduced with ferrite.

73,

Steve

kf7o