The RSD is isolated. Not sure if all DCDC converters are, but I know the RSD is.
You are right - the WTM4100 is different after looking at the spec sheet: Input voltage: -20 to -57V (WTM4100/ 4200 13-42 GHz) Input voltage: -40 to -57V (WTM4200 5-11 GHz) I only have experience with the WTM4200 (11Ghz) and WTM4800 which are -/+ 48VDC. You may want to check with Ken Ruppel on the positive ground. On Thu, Jun 25, 2020 at 9:26 AM Rhys Cuff (Speedweb Internet) < r...@team.speedweb.com.au> wrote: > Thanks Josh > > I do have an RSD handy but it doesn’t say isolated and some others do. > Is a Dcdc converter isolated by nature? > > The specs say they will take 24v also in the dc port, would I still need > the dcdc? > The sales guy told me they are positive ground. > > Thanks again > > Rhys > > > > Sent from my iPhone > > On 25 Jun 2020, at 11:20 pm, Josh Baird <joshba...@gmail.com> wrote: > > > Yeah - you will need -/+48VDC for the Aviat radio. They are floating, so > they don't care about -/+. I would stick a Meanwell RSD in line to convert > your -24VDC to 48VDC and be done with it. > > On Thu, Jun 25, 2020 at 9:15 AM Rhys Cuff (Speedweb Internet) via AF < > af@af.afmug.com> wrote: > >> Hi Guys >> >> If I have a negative ground 24 solar site filled with radio equipment, is >> the best way to power the Aviat by dc cable through an isolated DCDC >> converter? >> Any other Gotcha’s? >> >> I would like to just plug into the netonix switch with everything else >> but I think the pins are different. >> >> Thanks for any help >> >> Rhys >> >> >> >> Sent from my iPhone >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >
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