[Rack] Mode-S receiver down

Jonathan Lassoff jof at thejof.com
Mon Feb 24 19:47:04 UTC 2014


Yeah, unfortunately it wont work.
The switch only does 802.3af, so it wont start sending much power
until it detects a magic resistance on certain pairs. Probably a no-go
without an adapter. It wont hurt to plug it in, but I doubt it would
power on.

On Mon, Feb 24, 2014 at 11:40 AM, Jordan Hayes <jmhayes at j-o-r-d-a-n.com> wrote:
>> does the Mode S box use standard POE?
>
>
> Depends on what you mean by standard (and I suppose by what I understand
> standard to mean :-).
>
> It uses what I know of as "passive" POE, which means that the box itself has
> a voltage regulator and protects itself on the device end.  The adapter just
> puts 12v from the wart on the cable, and hopefully there's enough juice at
> the other end to run the device.  I think it actually uses ~7v ...
>
> There's no splitter at the device end, it just plugs directly into the
> device.
>
> Maybe some people call this "old skool" POE, because that's how it was done
> before there was a standard.
>
> Does this answer your question?
>
> /jordan
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