That is very interesting below, Don. There is no filtering on my DSL line. I'll
look into that asap too.
Thanks.
Ken W7EKB
On 12 Jan 2015 at 11:15, Don Kirk wrote:
>
> Hi Ken,
>
> May or may not be a related topic, but thought my following info might help
> you
> long term.
>
> I had been using a filter I built on my phone line that feeds my DSL modem
> (original filter design by OZ1CTK), and this stopped the continuous crashes of
> my ADSL modem. Well after many years my ADSL modem finally failed and ATT
> sent
> me a new ADSL modem (different model) which also has WIFI built in. The new
> modem would crash as soon as I transmitted on 160 meters, so I added filtering
> to the 117 volt line cored (identical to what I recently posted for my
> treadmill
> filtering), and this immediately fixed my problems. I did this at the last
> minute as I was one of the W1AW/9 stations so did not have time to figure out
> exactly which filters were really required (they cured my problem during a
> very
> critical time, and that is all that mattered).
>
> Bottom line is that I now have filtering on the phone line that comes into the
> DSL modem, a toroid choke on the 117 volt line cored for common mode
> suppression, and a commercially purchased line filter (made by Delta) that
> provides both common mode and differential mode filtering, and my new ADSL
> modem
> no longer crashes.
>
> Just FYI,
> Don (wd8dsb)
>
> On Sun, Jan 11, 2015 at 10:57 PM, Kenneth G. Gordon <kgordon2006@frontier.com>
> wrote:
> OK, gang, I need some different help here.
>
> I have a 4 port wireless router (Trendnet TEW-812DRU at the moment)
> connected to our main computer and two others in the home, not including
> the
> laptops that connect to it periodically.
>
> I have replaced the router at least 4 times over the past year or two due
> to
> the fact that RF from my ham station is getting into it through one or
> more
> of the three CAT-5 cables I have connected to it.
>
> I have installed several of those snap-on filters on all three of the
> CAT-5
> cables which connect to it, and also on both ends of the DC power cable,
> making seveal "loops" through each filter.
>
> I still wipe out the router every time I get on the air. I have destroyed
> one $169.00 router, and two less expensive ones, a TPNET and a Cisco.
>
> The only solution I have come up with is to disconnect the CAT-5 cables
> (all
> three of them) from the router each time I get on the air.
>
> Has anyone here had a similar problem, and if so, what did you do to fix
> it?
>
> BTW, one of my CAT-5 cables runs to the ham shack, where it connects to a
> dumb 4 port switch...
>
> This has become a giant PITA.
>
> Any ideas?
>
> Kenneth G. Gordon W7EKB
>
> "Courage is being scared to death but saddling up anyway."--- John
> Wayne
>
> _______________________________________________
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> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
>
Kenneth G. Gordon W7EKB
"Courage is being scared to death but saddling up anyway."--- John Wayne
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