I have got some clamp-on ferrites on the cables now. Seems to help some.
Have been thinking of shielded ethernet cables with ferrites or toroid
chokes. The fiber sounds interesting. And it all sounds like less of a
project than making a Faraday Cage for the shack. (Would still have to
solve the cable issues anyway!) And I will be looking for some
opto-isolators before the night is gone.
On Wed, Jan 20, 2021 at 2:03 PM Michael Aust via RFI <rfi@contesting.com>
wrote:
> DX Engineering has Ethernet RFI Filtershttps://
> www.dxengineering.com/parts/dxe-iso-plus-2 MikeWB6DJI
>
>
>
> Sent from the all new Aol app for iOS
>
>
> On Wednesday, January 20, 2021, 9:18 AM, Joseph Bouchard <
> joek1vw@gmail.com> wrote:
>
> At the factory where I work we obtained some opto-isolators for serial
> ports and Ethernet. Plasma spray systems generate a lot of noise and burn
> out things occasionally.
>
> > On Jan 20, 2021, at 9:38 AM, Don <kb5kwv@gmail.com> wrote:
> >
> > Can you just use fiber connections to the PC?
> >
> > An SPF is not that expensive these days.
> >
> >
> >
> >
> > -------- Forwarded Message --------
> > Subject: [RFI] RF hardened ethernet cards?
> > Date: Wed, 20 Jan 2021 03:27:18 -0700
> > From: Jim Rhodes <jimk0xu@gmail.com>
> > Reply-To: jim@rhodesend.net
> > To: rfi@contesting.com
> >
> >
> >
> > I have realised that I have eventually had to purchase an ethernet card
> for
> > every shack computer because the on board interface has died. I have
> moved
> > into an apartment (and am regretting it for several reasons) and with the
> > antenna now being much closer to the station and all the computer
> equipment
> > this has happened quite soon on the newest shack PC. My son, who never
> > caught the ham radio virus, is in charge of the computer systems for a
> fair
> > size corporation says this is not something that he has seen any problems
> > with in any of there thousands of PCs. Most of the stuff I see online is
> > about the networking (and other things) causing RFI to the receiver.
> What I
> > am looking for is keeping my RF from interfering with operation of
> network
> > and USB connections as well as actual damage to these devices. Does
> anybody
> > have any experience with this?
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>
--
Jim K0XU
jim@rhodesend.net
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