Have tried Shireen DC-2020? Dual shields...we have used it with success in SCADA application with high EMI and RFI levels....it's pricey but worked for us.
Jaime Solorza On Fri, Jul 20, 2018, 8:35 PM Nate Burke <[email protected]> wrote: > I'm curious why Liquidtight works when the foil shield on the Cat5 > doesn't. Extra distance from the twists? Heavier gauge steel? Do you > need to make sure the liquid tight is grounded, or just the fact that it's > around the cat5 is enough? > > On 7/20/2018 7:04 PM, Chuck McCown wrote: > > Yeah, that too. Some folks could not make it work without the > liquidtight. > > *From:* Sean Heskett > *Sent:* Friday, July 20, 2018 5:38 PM > *To:* AnimalFarm Microwave Users Group > *Subject:* Re: [AFMUG] Ethernet problems next to FM Antenna > > Put all Ethernet cables inside shielded liquidtight flex conduit. You can > buy it st an electrical supply shop. > > Be sure to run the conduit to a metal box at the top and then breakout to > each ap in smaller shielded conduit. > > -sean > > > On Fri, Jul 20, 2018 at 10:35 AM Nate Burke <[email protected]> wrote: > >> It looks like the old archives aren't back online yet, so I couldn't go >> searching through there for ideas. >> >> I have a site where we have been co-locating with a 800w FM Transmitter >> for years. We've always had Ethernet problems at the site since the FM >> went in. Everything is shielded cat5 (Belden 7919). It is at a grain >> elevator, our equipment is on one corner of the platform, and the FM >> Transmitter is on the other corner. We are horizontally separated by >> about 10 feet. There is no way to get vertical separation. I used to >> run all the cables down to the bottom of the leg, about 100'. In an >> effort to make the Ethernet work better, I installed an Edgepoint fed >> with Fiber at the top, so cable lengths between the radios and the >> Edgepoint are now 5'-10'. With the FM Transmitter turned off, everything >> runs perfectly. When the FM is turned on, most equipment drops to >> 100mb, and some goes down to 10mb. On the most problematic equipment, I >> have installed the 4 pair FM Filters from Sandman >> http://www.sandman.com/rf.html within 12" of both the switch and the >> radio. It made no change. >> >> What FM Elimination tricks have I forgotten to try? I was really >> expecting the short cable lengths to solve the problem. >> >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > ------------------------------ > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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