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> >
