The RB750UP comes with a 2.5A power supply if I am not mistaken. comes with a .05A power supply. I can't imagine, unless you boot 4 of them up at once, that the draw is too much for the NBM5. I am just guessing, as I don't have a site with more than 3 devices drawing power when it boots.
Vince West Tower Hand Technical Support Shelby Broadband 148 Citizens Blvd Simpsonville, KY 40067 Phone: 1-888-364-4232 On Fri, Mar 6, 2015 at 4:41 PM, John Woodfield <[email protected]> wrote: > +1 on firmware and routerboard firmware upgrade as well > > > > > > > > > > John Woodfield, President > > Delmarva WiFi Inc. > > 410-870-WiFi > > > > -----Original Message----- > From: "Vince West" <[email protected]> > Sent: Friday, March 6, 2015 4:34pm > To: [email protected] > Subject: Re: [AFMUG] Nanobeam M5 and RB750up short circuit power issue > > Make sure the firmware for the 750UP is up to date. I know I had some > issues with 750UPs that had current RouterOS at the time, but was still > running firmware that was pretty old. I honestly don't recall what firmware > version it was, but it seemed to clear up the problem I was having. > Current firmware version on RouterOS 6.27 is 3.22. I am almost positive > there was a firmware version out there that caused issues with the PoE > functionality. > Please note, I was also doing this on a test bench, no on anything in the > field. > > Vince West > Tower Hand > Technical Support > Shelby Broadband > 148 Citizens Blvd > Simpsonville, KY 40067 > Phone: 1-888-364-4232 > > On Fri, Mar 6, 2015 at 4:32 PM, Mathew Howard <[email protected]> > wrote: > >> Odd... it sounds to me like the NanoBeam is drawing too much current. >> Will the power up from the 750 after they've been sitting awhile and cooled >> down, or is it really just one time? >> >> On Fri, Mar 6, 2015 at 3:22 PM, Darin Steffl <[email protected]> >> wrote: >> >>> The included power supply. We have plenty of the NanoBeam M5's running >>> off the 750's as well except for this most recent batch of Nanobeam >>> feedhorns with a 1442 data code. >>> >>> On Fri, Mar 6, 2015 at 3:06 PM, Mathew Howard <[email protected]> >>> wrote: >>> >>>> What are you using for a power supply on the RB750UP? We have quite a >>>> few NanoBeam M5's running off of RB750UPs with no issues. >>>> >>>> On Fri, Mar 6, 2015 at 2:43 PM, Darin Steffl <[email protected]> >>>> wrote: >>>> >>>>> Hello all, >>>>> I am running into a very weird issue between our Nanobeam M5 400mm >>>>> 25db feedhorn and a Mikrotik RB750UP. When I try to power up the M5 >>>>> feedhorn with the POE out ports on the Tik, the feedhorn powers up the >>>>> first time and stays online until I unplug it. When I plug it in a second >>>>> time, it no longer powers up and doesn't even attempt to turn on. When I >>>>> force the POE port on, it says short circuit and does not power up. If I >>>>> plug in a Loco or M2 nanobeam feedhorn, they power up all day every day as >>>>> many times as I can plug them in. >>>>> So to test further, I plug in a second and third M5 feedhorn and they >>>>> all power up the first time only and when plugging in for a second time, >>>>> nothing at all. I've tried 3 Tik's from different batches and they all do >>>>> the same thing. M5 feedhorn has issues, locos and m2 feedhorns fine. >>>>> The only thing I can think of is the M5 feedhorn support 1000 Mbps LAN >>>>> speed but it has always been fine running on these RB750UP before without >>>>> issue which is very weird. Also, the M5 feedhorns aren't fried when I do >>>>> this as they power up just fine from a standard ubiquiti POE afterwards. >>>>> They'll just never power up again from the 750UP. >>>>> Any ideas? >>>>> -- >>>>> Darin Steffl >>>>> Minnesota WiFi >>>>> www.mnwifi.com >>>>> 507-634-WiFi >>>>> <http://www.facebook.com/minnesotawifi> Like us on Facebook >>>>> <http://www.facebook.com/minnesotawifi> >>>>> >>>> >>> >>> -- >>> Darin Steffl >>> Minnesota WiFi >>> www.mnwifi.com >>> 507-634-WiFi >>> <http://www.facebook.com/minnesotawifi> Like us on Facebook >>> <http://www.facebook.com/minnesotawifi> >>> >>
