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Date:      Sat, 7 Oct 2006 13:45:15 -0500
From:      Dan Nelson <>
To:        Michael Johnson <>
Subject:   Re: POE networking, what's the range?
Message-ID:  <>
In-Reply-To: <>
References:  <>

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In the last episode (Oct 07), Michael Johnson said:
> This isn't really a FreeBSD-specific question but does anyone know
> the range of Power Over Ethernet? I want something to go from my
> house to my garage apartment then hook a wireless access point in to
> the POE box. The garage and the house are on their own power circuit
> but where the lines split is in between the house and the garage. I'm
> thinking it'll be around 600ft plus all the wiring in the house and
> garage. I'm kinda hesitant to buy one and try it before I *think* it
> may work.

If your garage has power, why not just plug the access point into an
outlet in the garage instead of pulling power all the way from the
house?  As for your 600ft limit, the cable length everyone says
Ethernet has is 300 feet, but that's really to allow collision
detection to work.  All the documents I have found explicitly say
"half-duplex segment length is 100m".  They then go on to mention
full-duplex links but never give a length for them :)  With everything
being switched nowadays, maybe the limit is really determined by signal

At least one person has reported success at 850 feet at 10mbit:$

	Dan Nelson

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