Well, you are going to lose a volt.  I would put them in series with the + on 
each one.  1n4004 will work great for this.  

From: Carl Peterson 
Sent: Thursday, July 9, 2020 10:42 AM
To: AnimalFarm Microwave Users Group 
Subject: Re: [AFMUG] Combining outputs from 800-GigE-POE

Thanks Chuck,  

Should I be worried about reverse power?  
What diodes would you recommend and where would I place it?  Across the +- 
output terminal on each GigE-POE?  Total load would be something less then 
.75A.  Likely closer to .5.  



On Thu, Jul 9, 2020 at 11:36 AM <[email protected]> wrote:

  The DC circuit of these injectors is not much more than a simple splice.  
They will cross feed if that is what you are worried about.  So yes, diodes 
would be needed on all of them to prevent reverse power.  

  From: Carl Peterson 
  Sent: Thursday, July 9, 2020 10:02 AM
  To: AnimalFarm Microwave Users Group 
  Subject: [AFMUG] Combining outputs from 800-GigE-POE



  If a reverse power situation let's say I had four 24V Gige POE injectors.  
Each connected to a 800-GigE-POE and set to extract the power.  Now I wanted to 
combine them into one input to power a small switch so that any or all of them 
could power the switch.  Would I need a diode(s) or is there enough isolation 
in the transformers? 

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