The ports are all the same, so it shouldn't matter where things are plugged in, right?

On 2/22/2017 4:49 PM, Ken Hohhof wrote:

I assume after a few minutes, customers will start messing with the POE, unplugging it, getting the cables plugged into the wrong places, and other super helpful things.

*From:*Af [mailto:[email protected]] *On Behalf Of *Nate Burke
*Sent:* Wednesday, February 22, 2017 4:36 PM
*To:* [email protected]
*Subject:* Re: [AFMUG] EPMP1000 Heater POE Polarity

At least it doesn't default itself while it looks like it's powercycling....

On 2/22/2017 4:19 PM, That One Guy /sarcasm wrote:

    yes it is

    Dealt with that in the last cold snap

    a software reboot is enough that it wont boot, just cycles, bad
    bad juju

    On Wed, Feb 22, 2017 at 3:43 PM, Josh Luthman
    <[email protected] <mailto:[email protected]>>
    wrote:

        So what happens if you do power it up with 24v?  Does it just
        sit there dumb for hours until the sun cooks it a bit?

        This is really only relevant if it's something like <10F when
        you first boot it up, right?  If it's booted and warm, a cold
        snap isn't going to make it go down.


        Josh Luthman
        Office: 937-552-2340 <tel:%28937%29%20552-2340>
        Direct: 937-552-2343 <tel:%28937%29%20552-2343>
        1100 Wayne St
        Suite 1337
        Troy, OH 45373

        On Wed, Feb 22, 2017 at 4:26 PM, Nate Burke
        <[email protected] <mailto:[email protected]>> wrote:

            I've finally got back to this project today, and have been
            running a few mores test now that the radios are nice and
            cold in the freezer.  It appears that the polarity does
            not matter, but the heater will not kick on with <30v
            supplied.

            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]] *On Behalf Of
                *Josh Luthman
                *Sent:* Friday, February 10, 2017 4:32 PM
                *To:* [email protected] <mailto:[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 <tel:%28937%29%20552-2340>
                Direct: 937-552-2343 <tel:%28937%29%20552-2343>
                1100 Wayne St
                Suite 1337
                Troy, OH 45373

                On Fri, Feb 10, 2017 at 5:26 PM, Ken Hohhof
                <[email protected] <mailto:[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]
                    <mailto:[email protected]>] On Behalf Of Nate Burke

                    Sent: Friday, February 10, 2017 3:47 PM
                    To: [email protected] <mailto:[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]
                    <mailto:[email protected]>] On Behalf Of Nate Burke
                    > Sent: Friday, February 10, 2017 3:13 PM
                    > To: Animal Farm <[email protected] <mailto:[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.
                    >
                    >



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