I'm 99% sure I've seen the heater run with +4/5 -7/8... I know I've watched the power draw changing on an RB750UP (which would be +4/5), but there is a very, very small chance that I had the power pairs swapped.
On Fri, Feb 10, 2017 at 3:49 PM, That One Guy /sarcasm < [email protected]> wrote: > if this is the case, wouldnt 4 cheap diodes always ensure the heater > polarity is correct? > > On Fri, Feb 10, 2017 at 3:46 PM, Nate Burke <[email protected]> wrote: > >> 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. >>> >>> >>> >> > > > -- > If you only see yourself as part of the team but you don't see your team > as part of yourself you have already failed as part of the team. >
