Any polarity or any pinout? Pretty sure the Ubnt AirMax NanoBeam 25dbi units will do gigabit but only do the old fashion 24v 45+ 78-. Reverse polarity seems awfully sketch to me.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Tue, May 8, 2018 at 2:25 PM, Mathew Howard <mhoward...@gmail.com> wrote: > As far as I know, all of the ubnt gear with gigabit ports will take any > poe polarity... As long as there's a pair with negative and a pair with > positive, they'll turn on. I don't see that ubnt adding a second negative > pair will really affect anything, unless netonix did that as well. > > On Tue, May 8, 2018, 11:53 AM Adam Moffett <dmmoff...@gmail.com> wrote: > >> If that's right, would that mean 0.5amp on 4&5 and 0.25amp on 3&6,7&8 ? >> Is it a 0.5amp fuse? >> >> >> ------ Original Message ------ >> From: "Jeremy" <jeremysmi...@gmail.com> >> To: af@afmug.com >> Sent: 5/8/2018 11:42:35 AM >> Subject: Re: [AFMUG] crowdsource troubleshooting >> >> No, that is not true, it adds an additional ground on 3&6. So to obtain >> a gigabit connection you have + on 4&5 and - on 3&6, 7&8. All of the >> present day UBNT gear is like this since they added gigabit Ethernet. When >> we upgrade we add a jumper to 3&6 to get it to negotiate at gigabit, but >> they seem to operate at 100FDX without it. >> >> On Tue, May 8, 2018 at 9:30 AM, Jacob Turner <ja...@happycycling.com> >> wrote: >> >>> The Prism Gen 2 uses "standard" UBNT passive 24v POE. +4,5 -7,8. I've >>> seen netonix switches claiming as much as 12 watts draw from one when >>> running. I wouldn't be surprised if their startup draw may be a bit higher. >>> >>> On Tue, May 8, 2018 at 8:16 AM, <ch...@wbmfg.com> wrote: >>> >>>> I need help in understanding a product failure. >>>> >>>> I have now had two customers with similar failures in my POE fuse >>>> product. The fuses are blowing. >>>> So far it is limited to the fuses on pins 4/5. >>>> >>>> One customer is using: >>>> UBNT 5AC Prism Gen 2 radio, Mikrotik 411 boards, using both poes and >>>> netonix as the power supply. >>>> >>>> What pins and polarities does that radio use for POE? How much current? >>>> >>>> I may need higher rated fuses or slower fuses. But I can only go so >>>> high before it is not protecting Netonix thus becoming an expensive CAT5 >>>> splice. >>>> >>>> My ideas so far: >>>> >>>> I need a slower reacting fuse. >>>> >>>> I need a higher amp rating fuse. (not sure how high I can go and still >>>> protect Netonix) >>>> >>>> Some loads have unanticipated currents on those wires. >>>> >>>> Plugging in when powered may cause a connection sequence problem where >>>> if pin 4 makes contact first the whole load will go through that wire and >>>> blow that fuse. >>>> >>>> >>> >>> >>
