I'm not following these requirements for the 450M. The 450M @ 5ghz uses ~80W peak (if you aren't using the AUX port). This is about 1.6A @ 48V.
12AWG cable with 56V at 250ft has a voltage drop of ~2.8% resulting in 54.5V at the top of the tower. The 450M should run just fine at 54.5V according to the spec sheet. Obviously, the 3ghz 450M requires much more power, but still should be fine using 12AWG @ 250ft. What am I missing? On Mon, Mar 30, 2020 at 6:24 PM dave via AF <af@af.afmug.com> wrote: > That may work for most radios limited by 4 possibly 6 450i or something > equivalent. > If running medusa 3.65 and 5.7 radios youll need #8 min by 2 pair pvc > jacket or better for outdoor operation. > We have a few like this and learned the hard way even with #10 hybrid > cable that would not fly due to the loss in the wire at 250' > We use Tactical SM fiber LC-LC pre-terminated > We also use Duracomms > https://duracomm.com/product-category/rack-mount-power-supplies/centri-series-he1u-mu/ > Note we use the 50Amp version of this. > Youll need most of it to get to the top to sustain that 48vDC those beast > need lol. > We now have our 3rd site up with Fiber going to everything and #8 stranded > pairs up the tower for power. > Also, be sure and add in the surge stuff. > > > On 3/30/20 4:46 PM, TJ Trout wrote: > > I've been thinking of offering hybrid fiber / 12 awg copper pre-terminated > cables... if anyone has a desire for such a thing, let me know the fiber > count, connector type and lengths you would want... > > On Mon, Mar 30, 2020 at 2:35 PM Matt <matt.mailingli...@gmail.com> wrote: > >> What is everyone using for fiber up tower? What using for connectors? >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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