Re: [AFMUG] 48v to 24v Poe converter

2016-04-30 Thread chuck
Yeah, each transformer chip is about $5.

From: Mathew Howard 
Sent: Saturday, April 30, 2016 11:02 AM
To: af 
Subject: Re: [AFMUG] 48v to 24v Poe converter

I'm guessing they didn't design it the way you would... just using cheap PoE 
magnetics would make a pretty huge difference in price, wouldn't it?


On Sat, Apr 30, 2016 at 10:32 AM, <ch...@wbmfg.com> wrote:

  I would sure like to see the insides of one of those.
  It has to have two POE sets of magnetics, a buck converter plus PCB, case, 
connectors etc.
  Lots of expensive parts.  I guess if they are making 10,000 pcs at a time the 
costs come down some, but that price they are quoting doesn’t do much more than 
cover the cost of the parts the way I would design it.  

  From: Craig House 
  Sent: Friday, April 29, 2016 8:27 PM
  To: af@afmug.com 
  Subject: [AFMUG] 48v to 24v Poe converter

  http://www.titanwirelessonline.com/mobile/Product.aspx?id=2771

  Anyone ever tried these. We have a Poe media converter putting out 48v and 
want to run a 24v bh on it 

  Thoughts 

  Sent from my iPhone


Re: [AFMUG] 48v to 24v Poe converter

2016-04-30 Thread Mathew Howard
I'm guessing they didn't design it the way you would... just using cheap
PoE magnetics would make a pretty huge difference in price, wouldn't it?

On Sat, Apr 30, 2016 at 10:32 AM, <ch...@wbmfg.com> wrote:

> I would sure like to see the insides of one of those.
> It has to have two POE sets of magnetics, a buck converter plus PCB, case,
> connectors etc.
> Lots of expensive parts.  I guess if they are making 10,000 pcs at a time
> the costs come down some, but that price they are quoting doesn’t do much
> more than cover the cost of the parts the way I would design it.
>
> *From:* Craig House <cr...@totalhighspeed.net>
> *Sent:* Friday, April 29, 2016 8:27 PM
> *To:* af@afmug.com
> *Subject:* [AFMUG] 48v to 24v Poe converter
>
> http://www.titanwirelessonline.com/mobile/Product.aspx?id=2771
>
> Anyone ever tried these. We have a Poe media converter putting out 48v and
> want to run a 24v bh on it
>
> Thoughts
>
> Sent from my iPhone
>


Re: [AFMUG] 48v to 24v Poe converter

2016-04-30 Thread chuck
I would sure like to see the insides of one of those.
It has to have two POE sets of magnetics, a buck converter plus PCB, case, 
connectors etc.
Lots of expensive parts.  I guess if they are making 10,000 pcs at a time the 
costs come down some, but that price they are quoting doesn’t do much more than 
cover the cost of the parts the way I would design it.  

From: Craig House 
Sent: Friday, April 29, 2016 8:27 PM
To: af@afmug.com 
Subject: [AFMUG] 48v to 24v Poe converter

http://www.titanwirelessonline.com/mobile/Product.aspx?id=2771

Anyone ever tried these. We have a Poe media converter putting out 48v and want 
to run a 24v bh on it 

Thoughts 

Sent from my iPhone

Re: [AFMUG] 48v to 24v Poe converter

2016-04-30 Thread Faisal Imtiaz
Shireeninc as well as laird pacific have some as well..

Keep in mind that these devices get hot. ... we have been less than thrilled 
with the reliability of ubnt ones.


Regards

Faisal

Sent from Mobile Device

 Original message From: David Kunat 
<m...@davidkunat.com> Date:04/29/2016  11:55 PM  (GMT-05:00) 
To: af@afmug.com Subject: Re: [AFMUG] 48v to 24v Poe 
converter 
Another option: https://dl.ubnt.com/datasheets/instant/instant8023af.pdf

On Apr 29, 2016, at 6:27 PM, Craig House <cr...@totalhighspeed.net> wrote:

http://www.titanwirelessonline.com/mobile/Product.aspx?id=2771

Anyone ever tried these. We have a Poe media converter putting out 48v and want 
to run a 24v bh on it 

Thoughts 

Sent from my iPhone

Re: [AFMUG] 48v to 24v Poe converter

2016-04-29 Thread David Kunat
Another option: https://dl.ubnt.com/datasheets/instant/instant8023af.pdf

> On Apr 29, 2016, at 6:27 PM, Craig House  wrote:
> 
> http://www.titanwirelessonline.com/mobile/Product.aspx?id=2771
> 
> Anyone ever tried these. We have a Poe media converter putting out 48v and 
> want to run a 24v bh on it 
> 
> Thoughts 
> 
> Sent from my iPhone


[AFMUG] 48v to 24v Poe converter

2016-04-29 Thread Craig House
http://www.titanwirelessonline.com/mobile/Product.aspx?id=2771

Anyone ever tried these. We have a Poe media converter putting out 48v and want 
to run a 24v bh on it 

Thoughts 

Sent from my iPhone