DWL-900AP+ External Mounting Environmentals ;-((

[Lyle Williams]

Another (rather simple) option for an extra pair of wires is the reset
button.  If the 900AP+ is mounted up a mast, it could be nice to be able to
trip the "return to factory config" button without going up the mast.

Lyle Williams
VK1XLW



----- Original Message -----
From: "Tim Kerby" <tkerby at tkerby.f9.co.uk>
To: <wireless at lists.samba.org>
Sent: Sunday, December 29, 2002 2:32 AM
Subject: Re: DWL-900AP+ External Mounting Environmentals ;-((


> Just had a thought, two pairs are used for network traffic, one pair (or
> sometimes two) for power.  If there is only power on one set of pairs, the
> other two pairs could be used for a 1 wire network and a number of
ibuttons
> or other temperature sensors.  Have a look at ibutton.com for some more
> details.
>
> Tim
>
>
> ----- Original Message -----
> From: "Lyle Williams" <lyle.williams at bigpond.com>
> To: "Grahame Kelly" <grahame at wildpossum.com>; "Wireless List"
> <wireless at lists.samba.org>
> Sent: Friday, December 27, 2002 4:19 AM
> Subject: Re: DWL-900AP+ External Mounting Environmentals ;-((
>
>
> >
> > Grahame,
> >
> > Thanks for feedback on your experiences. (Un)fortunately it's raining
here
> > right now, so everything is working perfectly.  I'll jamb a thermocouple
> > into the box when we get a sunny day - that should give me an idea of
> in-box
> > temps.  The original 900AP+ box is gone, I am just using the internal
> board
> > in a commercial electrical enclosure.  Hopefully I won't have to fit
> > airconditioning!   :^)
> >
> > I'll send my experiences to the list.
> >
> > On the subject of laser cutting, I don't think that level of precision
is
> > needed, especially if you don't care where your secondary lobes are in
the
> > vertical plane.  I'm just using a router to cut slots.  Things seem to
> work
> > (so far...)
> >
> >
> > Lyle Williams
> > VK1XLW
> > 27DEC02
> >
> >
> >
> >
> > ----- Original Message -----
> > From: "Grahame Kelly" <grahame at wildpossum.com>
> > To: "Wireless List" <wireless at lists.samba.org>
> > Sent: Friday, December 27, 2002 1:30 PM
> > Subject: DWL-900AP+ External Mounting Environmentals ;-((
> >
> >
> > Hi everyone.
> >
> > I am new to the list but have been lurking for sometime.
> >
> > Last week I mounted my DWL-900AP+ systems in vented containers with an
> > additional metal skin to deflect as much heat away as possible. I had
some
> > experience in going the same environmental casing for a 24/7 operating
IR
> > Camera / Controller system for my wildpossumCAM (Linux of course).
> >
> > Initial tests worked well - until the sun came over the house(s) and
while
> > not
> > directly in sunlight, the tempature raised to 32C internally caused the
> > units
> > to both fail within 2 mins. According the DLINK spec they are suppose to
> > tolerate operations -10C to +55C: Well this is totally untrue according
to
> > my
> > experience - I hope your more successfull. My measurements show the
units
> go
> > off or intermittent at +30C external - allowing for a 5C to 10C internal
> > onboard difference its operating temp is only 35C to 40C MAX. This was
> > tested
> > on four units. All showed the same effect.
> >
> > Interestingly usually the AP's lose ethernet connectivity first, then
> > sometime
> > later RF conectivity. Bummer! Bummer!
> >
> > So, now I am building a "Peiter Unit with integrated AVR uP + tempature
> > sensing" for the beasts; hopefully this will give total year long
> > operations.
> >
> > Love the slotted antenna buy the way Lyne. May build a couple myself but
I
> > don't have access to laser cutting company, pity they couldn't do a
couple
> > of
> > runs for others too.
> >
> > Cheers.
> > Grahame
> > ex. VK2ZGK  Glenhaven; Sydney.
> > grahame (at) wildpossum (dot) com
> >
> >
>