Surges cause the surge components to do their job, which is to short everything 
to ground.
Netonix ports will blow if they are shorted.  

From: Josh Luthman 
Sent: Monday, September 17, 2018 6:58 AM
To: AFMUG 
Subject: Re: [AFMUG] Surge suppression failure gigE APC HV

Should only be 24v.  Even if it doubled, should be OK on the radio and surge 
card. 

What's the Netonix problem?


Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Fri, Sep 14, 2018, 12:44 PM <ch...@wbmfg.com> wrote:

  If the voltage was too high or had spikes it could certainly have done that.
  Kinda the reverse of the Netonix problem.  

  From: Josh Luthman 
  Sent: Friday, September 14, 2018 10:37 AM
  To: AnimalFarm Microwave Users Group 
  Subject: Re: [AFMUG] Surge suppression failure gigE APC HV

  I replaced the POE, AP, and surge card on Tuesday.  That's what fixed it for 
sure. 

  The AP is sitting here in the lab and doing gigabit for 3 days now, happily.  
The POE and surge card are in the trash.

  I'm wondering if it's possible the POE fried all of those surge cards on 
Saturday/Sunday/Monday/Tuesday.  If that's possible?


  Josh Luthman
  Office: 937-552-2340
  Direct: 937-552-2343
  1100 Wayne St
  Suite 1337
  Troy, OH 45373

  On Thu, Sep 13, 2018 at 2:21 PM, <ch...@wbmfg.com> wrote:

    You say you are inclined to think it is the POE.  I presume that means the 
POE power supply.  So try a new one.  I am probably not understanding the 
situation.  

    From: Josh Luthman 
    Sent: Thursday, September 13, 2018 11:39 AM
    To: AnimalFarm Microwave Users Group 
    Subject: Re: [AFMUG] Surge suppression failure gigE APC HV

    I have a thousand new POEs.  What do you want me to try?


    Josh Luthman
    Office: 937-552-2340
    Direct: 937-552-2343
    1100 Wayne St
    Suite 1337
    Troy, OH 45373

    On Thu, Sep 13, 2018 at 11:07 AM, <ch...@wbmfg.com> wrote:

      Do you have a spare POE to try ?

      From: Josh Luthman 
      Sent: Thursday, September 13, 2018 6:10 AM
      To: AnimalFarm Microwave Users Group 
      Subject: Re: [AFMUG] Surge suppression failure gigE APC HV

      Well there was no lightning or anything, beautiful weather.  After 
several cards I have to imagine it's the POE or the AP.  We replaced those two 
at the same time. 

      Does it make sense the POE was doing something weird to fry them or more 
sense the AP was pulling too many amps?  AP seems perfectly fine in the office 
for 36 hours, so I'm inclined to believe it's the POE.


      Josh Luthman
      Office: 937-552-2340
      Direct: 937-552-2343
      1100 Wayne St
      Suite 1337
      Troy, OH 45373

      On Tue, Sep 11, 2018 at 2:51 PM, Chuck McCown <ch...@wbmfg.com> wrote:

        It resets immediately if it is going to reset.  
        Sounds like it took a hit.  

        From: Josh Luthman 
        Sent: Tuesday, September 11, 2018 12:45 PM
        To: AnimalFarm Microwave Users Group 
        Subject: Re: [AFMUG] Surge suppression failure gigE APC HV

        How long does it need to be cold for it to be self reset?  The one I 
took down this morning looks perfectly clean and I can't get pins 7/8 through 
it.  At this point I'm thinking the (AC) POE is the cause of all our issues 
(Cambium, so that pair is positive 24v and data).


        Josh Luthman
        Office: 937-552-2340
        Direct: 937-552-2343
        1100 Wayne St
        Suite 1337
        Troy, OH 45373

        On Tue, Sep 11, 2018 at 10:47 AM, Chuck McCown <ch...@wbmfg.com> wrote:

          Sure, you can also wash them with 90% isopropyl alcohol.  That will 
remove any water.  Need to make sure there is no corrosion. 
          Wash out the jacks extra good too.  

          If they have not had too large of a surge, they are totally self 
resetting.  

          From: Josh Luthman 
          Sent: Tuesday, September 11, 2018 7:25 AM
          To: AFMUG 
          Subject: [AFMUG] Surge suppression failure gigE APC HV

          There's a cause and I'm pretty confident it's not the cards 
themselves. 

          This weekend an AP started having eth link issues.  Look at it and 
the card/rj45 is full of water.  Replaced the line.  Problem returns about 12 
hours later.

          I plug in my continuity tester and pin 7 blinks quickly and fades 
away.  Headed up the tower now for a new AP and already did a new Poe (no power 
until AP replaced).

          Is it possible the Poe/AP are damaging the surge card?  We've gone 
through 5-6 cards since Saturday, and I thought it was all water related.  It 
stopped raining on Sunday after card 3 + new line.

          Any other ideas?  Can I wait a minute and reuse the dry cards, are 
they self resetting (I tried power cycling the POE for 5 seconds with no 
change) after a length of time?


          Josh Luthman
          Office: 937-552-2340
          Direct: 937-552-2343
          1100 Wayne St
          Suite 1337
          Troy, OH 45373

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