With 24 volts it's known to be a startup issue. We have a site with a 24 volt ps on syncinjector, in extreme cold even a software restart is enough downtime it won't come back up, just cycles, had to stick a cambium Poe on it. The GPS is also unstable at 24 v
On Feb 10, 2017 5:03 PM, "George Skorup" <[email protected]> wrote: > What is that heating? I forget. Flash, RAM or both? And does the ePMP 2k > have a heater? That's 48v only, so I assume it's a non-issue anyway. > On 2/10/2017 4:40 PM, Ken Hohhof wrote: > > I see from the Cambium FAQ that a connectorized ePMP can take up to 20 > minutes to heat up if it’s really, really cold outside. That has to feel > like an eternity. > > > > > > *From:* Af [mailto:[email protected] <[email protected]>] *On > Behalf Of *Josh Luthman > *Sent:* Friday, February 10, 2017 4:32 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] EPMP1000 Heater POE Polarity > > > > Powered up just fine for us with a 750p yesterday. Two of them. It was > like 15*? > > > > > Josh Luthman > Office: 937-552-2340 <(937)%20552-2340> > Direct: 937-552-2343 <(937)%20552-2343> > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > > On Fri, Feb 10, 2017 at 5:26 PM, Ken Hohhof <[email protected]> wrote: > > Where are you testing? It's like 40 degrees outside. I assume you are > testing in a freezer? > > > -----Original Message----- > From: Af [mailto:[email protected]] On Behalf Of Nate Burke > > Sent: Friday, February 10, 2017 3:47 PM > To: [email protected] > Subject: Re: [AFMUG] EPMP1000 Heater POE Polarity > > I would like some confirmation, because I think that I'm repeating the > test now and coming up with different results. Like the heater isn't > kicking on with either polarity now. > > On 2/10/2017 3:39 PM, Ken Hohhof wrote: > > You'd think after Trango's miserable experience with preheaters in their > 5830 series radios, no one would do that ever again. > > > > I know I didn't answer your question, but it sounds like you've already > answered it and are just looking for confirmation. > > > > > > -----Original Message----- > > From: Af [mailto:[email protected]] On Behalf Of Nate Burke > > Sent: Friday, February 10, 2017 3:13 PM > > To: Animal Farm <[email protected]> > > Subject: [AFMUG] EPMP1000 Heater POE Polarity > > > > I've been running some tests with Cold startup of EPMP1000 w/ sync > > Radios. Does the Internal heater only function with 4/5- 7/8+? A > > cold radio (18F) radio will power on but seems stuck in a reboot loop > > with 4/5+ 7/8- The same radio powered on and booted within 2 minutes > > or so with 4/5- 7/8+ > > > > Power draw with 4/5+ 7/8- was around 4w, and would randomly spike to > around 15w The power light would stay on, but sync and ethernet lights > would go on and off, like it was continually rebooting. > > > > Power draw with 4/5- 7/8+ was a solid 15w for about 2 minutes with only > the power light on, then 4w once booted. > > > > I just presumed that since it would power on with both polarities, the > heater would work with both polarities as well. It's looking like that > might not be the case. > > > > > > > > > >
