You can always mount it to plastic =) but a isolated dc-dc converter is the best option
On Fri, Oct 1, 2021 at 11:09 AM Chuck McCown via AF <[email protected]> wrote: > My inserters are not referenced to chassis ground at all with the POE. > So they would not be causing a problem. > > But if the tower mounted gear is +48 and if it ties one side to ground, > you will short out your –48 supply assuming it grounds the + rtn lead. > > *From:* Gino A. Villarini > *Sent:* Friday, October 1, 2021 11:31 AM > *To:* AnimalFarm Microwave Users Group > *Subject:* [AFMUG] Question for Chuck on POE inserters > > > Hey Chuck! Long time! > > > > We are trying to figure out some stuff here with our DC plant. We are > -48v on the rectifiers, but as you know some WISP gear is +48 and other is > floating. > > > > What happens if I power radios using your POE inserters direct to the -48, > would I cause ground loops with tower mounted gear that is +48v? does the > SS circuit in the POE inserters grounds the (-) ? > > > > > > <https://aeronetpr.com> *Gino Villarini* > Founder / President > @GVillarini > 787.273.4143 | > <https://www.inc.com/profile/aeronet> <https://www.facebook.com/aeronetpr> > <https://www.instagram.com/aeronetpr/> > <https://www.linkedin.com/company/aeronet-broadband-corp> > <https://twitter.com/aeronetpr> <https://www.youtube.com/user/AeroNetPR> > Metro Office Park #18 Suite 304 Guaynabo, PR 00968 > <https://homefi.pr> > > ------------------------------ > -- > 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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