[asterisk-users] POE Splitters

Matt mhoppes at gmail.com
Fri Jul 23 07:46:40 CDT 2010


It's not necessarily this simple.  There is an approximately 50-75foot cable
run through ceilings and walls (CAT5) to the location where the phones will
be.  At the phone location there is no power.

On Thu, Jul 22, 2010 at 11:33 PM, David Backeberg <dbackeberg at gmail.com>wrote:

> On Thu, Jul 22, 2010 at 2:46 PM, Matt <mhoppes at gmail.com> wrote:
> > I've got an interesting situation where I have one cable run from the
> feed
> > area to the service area.   I have three devices that I need to power at
> the
> > service area.  Is anyone aware of a device that will take the POE from
> the
> > cable run and then allow me to split it to two or three devices at the
> > service end?
>
> The obvious answer is "don't do that".
>
> *buy DC power bricks for the phones / devices
> *buy a small PoE switch for the area, plugged into the single ethernet
> cable as a trunk
> *pull more cable from the original endpoint
>
> Any of those three will be more reliable and predictable when
> debugging than inventing your own PoE solution. I've tried to invent
> my own PoE solution using a soldering iron and bulk ethernet cable.
> Take it from me, don't go down that road. Yes, you will learn all
> manner of interesting things about DC voltage loss over distance,
> blah, blah, blah.
>
> Your time is almost undoubtedly worth more money than you'll save by
> pursuing the 'conventional approaches'. Just don't do it.
>
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