thats what i suggested trying first, customer wanted the extender, irritating
he finally has caved now and will be putting a network rack in the midpoint and is going to place a managed switch there instead of all this other unsupportable cobbling. Sometimes we get a win. On Wed, Sep 1, 2021 at 11:55 AM Adam Moffett <dmmoff...@gmail.com> wrote: > Maybe a dumb question, but has it already been tried without the > extender? > > 400ft is beyond 100m, but not by all that much. It might just work > without any faffing around. > > > On 9/1/2021 11:16 AM, Steve Jones wrote: > > I have a customer fixed on using > https://i.mt.lv/cdn/product_files/GPeRqg_190928.pdf to extend his epmp > f300 radio run to 400+ feet. > if im calculating this right there will be about a 10v drop on the > 24guage cat5, taking the 30v down to 20. If it does manage to keep the > radio powered i see it burning out the poe circuit. > > hes fighting me on putting the cambium PSU at the midspan point and using > his own POE to power the extender. > > Ive been overruled about telling the customer no, so its happening, but I > want to make sure my math is correct > using https://www.rapidtables.com/calc/wire/voltage-drop-calculator.html > 24guage, 30v, .5 amp, 400 feet shows 10v drop. but im not sure about the > resistivity field > > this is a guy who runs constant latency monitoring and initiates tickets > on every blip, so i see this radio move just becoming a nightmare with this > midspan extender in play > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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