[RFI] RF susceptibility of Ethernet

[wa2lbi at gmail.com]

Use Ethernet to fiber optic cable converters to isolate the endpoints from a direct connection.If you use POE (Power Over Ethernet) you will need a power injector at the end that needs power.  Ken  WA2LBI  LG G6 ------ Original message------From: Jim RhodesDate: Mon, Jun 7, 2021 10:00To: Tim Duffy;Cc: PVRC Submissions;Rfi List;Subject:Re: [RFI] RF susceptibility of EthernetI don't run much power, 100 watts max as I live in an apartment building,
but I have had several ethernet ports in my shack computers fail. The last
one since I moved into the apartment.  Before that I sometimes ran 500 to
1000 watts if needed. Currently using wifi, but am thinking of going back
to wired ethernet and using chokes like KF7P sells. I have never noticed
any rfi from the wired networks, just that every shack computer eventually
needs a new ethernet port. Other computers and other devices I have had no
problems with.

On Sun, Jun 6, 2021, 19:17 Tim Duffy  wrote:

> HI Dan:
>
> You might take a look at
 this:
> https://www.dxengineering.com/parts/dxe-iso-plus-2
>
> I use them here at K3LR and they work very well - to keep RF out of the
> Ethernet and to keep RFI from being emitted from the Ethernet system.
>
> Take a look at the reviews
>
> 73
> Tim K3LR
>
> -----Original Message-----
> From: RFI [mailto:rfi-bounces+k3lr=k3lr.com at contesting.com] On Behalf Of
> Dan
> K2YWE
> Sent: Sunday, June 6, 2021 9:10 PM
> To: PVRC Submissions; Rfi List
> Subject: [RFI] RF susceptibility of Ethernet
>
> I'm planning to replace my Actiontech FIOS router and switch the connection
> from my FIOS ONT from coax to Ethernet in the process (we have no FIOS TV
> devices). We have experienced no interference from my high power ham
> station to internet, streaming, or VoIP service using the current coax ONT
> link.
>
> I'd like to ensure having low RF susceptibility after the swap. I recognize
> that the twisted ethernet pairs will give me some differential mode
> rejection, but I'm thinking shielding
 might be a good idea as well. My
> antennas are very close to our wood frame house as our entire lot is only
> 120 x 75 and the house is in the middle.
>
> Any recommendations on ethernet cable?  I'd appreciate you being as
> specific as you can.
>
> TIA and 73, Dan
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