[Wylug-discuss] Technical enlightenment request

[Graham Whaley]

I'm a little confused here - so you are running PoE to power all of
those devices? - you have some device (a PoE enabled network switch or
a PoE 'injector' somewhere in your network system) supplying the power
to the ethernet cables, and the devices thus do not run of normal
'mains' power -yes? Either that, or you are actually asking a question
about mains wiring - not quite clear to me.
Not being a PoE expert I went and read the wikipedia article - seems
you can only normally upto 15-25w of power to each device, which feels
borderline to me for running a laptop for instance.

 Graham

On 28 July 2015 at 17:43, Anne Wilson <cannewilson at googlemail.com> wrote:
> Seeing the reference to
> http://www.ebuyer.com/583348-d-link-dgs-1008p-8-port-gigabit-poe-unmanaged-desktop-switch-dgs-1008p-e
> made me think about PoE.  Am I right in thinking that, since you feed a
> single line into the powerline, picking it up in various places is akin
> to picking it up from a switch box?
>
> In my office here (a stone building in the garden) I'm using PoE.  There
> is this laptop, doing most of the work, a small gizmo that feeds into
> the TP-Link AP, an ethernet connection to my OfficeJet mfp, and the
> occasional attachment of a further laptop.  Anything of importance is
> saved to my NAS in the house and regular backups feed to the NAS.  At
> times I think I'm overloading the system, as things start to slow down.
>  Coincidence, or real problem?  If I've understood the PoE bit
> correctly, then putting another switch box would only compound the
> problem, wouldn't it?
>
> Or do I have it completely wrong?
>
> Anne
>
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