Are you using Trango POE? IIRC it’s a proprietary pinout..

Gino Villarini
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From: AF <[email protected]> on behalf of Jeremy <[email protected]>
Reply-To: AnimalFarm Microwave Users Group <[email protected]>
Date: Saturday, March 30, 2019 at 12:12 PM
To: AnimalFarm Microwave Users Group <[email protected]>
Subject: [AFMUG] Cambium 820C -48v power supply questions

I am confused.  I have a 6A rackmount Trango Power supply 
http://www.silverbranch.com/Useppa/DS-9030-C-Giga-PowerSupply-1U-48.pdf that I 
would like to use to power an 820C.  I hooked it up -48v and it would not power 
on.  I hooked it up +48v and it worked perfectly.  This is on the bench and not 
installed.  I am hearing from others on here that the power supply will short 
as soon as I ground the radio if I actually run it at +48v.  So I have a few 
questions....why won't this power up at -48v?  I really don't want to use POE.  
What are people using to power these?  Any reason that this Trango Power supply 
should be not working?
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