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From: Jeff Liebermann on 18 Dec 2009 16:15
On Fri, 18 Dec 2009 09:09:46 +0000 (UTC), danny burstein
<dannyb(a)panix.com> wrote:

>I'm helping set up some systems in a large open office
>where there's _lots_ of RF in the area, messing up 802.11.

Have you tried 5.7GHz 802.11a?

>Running ethernet cable to each desk is pretty painful.

Yes, but you only feel the pain once. You also gain considerable
speed if you use gigabit ethernet.

>Way, way, back there were infrared transceivers you could
>hook up for data transmission. True, they were quite slow
>by today's standards...
>
>Any suggestions for something avaiable today? Speed isn't
>too critical as these are mostly work stations with text
>material back and forth.

<http://www.clarinetsys.com/en/product-es5001.htm>
<http://www.clarinetsys.com/en/product-discontinued.htm>
(The discontinues network IR switches can still be found).


--
Jeff Liebermann jeffl(a)cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
From: Peter Pan on 18 Dec 2009 22:21
"danny burstein" <dannyb(a)panix.com> wrote in message
news:hgfgsq$t5v$1(a)reader1.panix.com...
> I'm helping set up some systems in a large open office
> where there's _lots_ of RF in the area, messing up 802.11.
>
> Running ethernet cable to each desk is pretty painful.
>
> Way, way, back there were infrared transceivers you could
> hook up for data transmission. True, they were quite slow
> by today's standards...
>
> Any suggestions for something avaiable today? Speed isn't
> too critical as these are mostly work stations with text
> material back and forth.
>
> Thanks.
>
> --
> _____________________________________________________
> Knowledge may be power, but communications is the key
> dannyb(a)panix.com
> [to foil spammers, my address has been double rot-13 encoded]



does each puter have power? i have my router set up to connect my router to
the powerline thing, and then wherever i have the puter and ac i also have a
network connection.
true, it will slow down with multiple things, but i'm guessing that even
slowed down it will be faster than ir

at any rate, no idea if you looked at considered it, but heres a link for
you for the netgear home stuff
<http://www.netgear.com/Products/PowerlineNetworking/PowerlineWirelessAccessPoints.aspx?for=Home+Networking>

From: Bill Kearney on 19 Dec 2009 10:17
> does each puter have power? i have my router set up to connect my router
> to the powerline thing,

If it's an environment with lots of RF noise due to ELECTRICAL MOTORS then
it's unlikely the powerline will be free of noise.

Best bet would be wired ethernet. Yeah, it may be a hassle to wire it but
at least then you'll KNOW it will work and stay that way.

From: Peter Pan on 23 Dec 2009 16:39
"Bill Kearney" <wkearney99(a)hotmail.com> wrote in message
news:Jr-dnVdqP44Jc7HWnZ2dnUVZ_t-dnZ2d(a)speakeasy.net...
>> does each puter have power? i have my router set up to connect my router
>> to the powerline thing,
>
> If it's an environment with lots of RF noise due to ELECTRICAL MOTORS then
> it's unlikely the powerline will be free of noise.
>
> Best bet would be wired ethernet. Yeah, it may be a hassle to wire it but
> at least then you'll KNOW it will work and stay that way.


umm it's sending digital packets over the wire that happens to be a
powerline, why would any rf noise effect those digital packets, any more
than digital packets over an ethernet wire?

if it was analog, i'd see where noise can cause problems, but are digital
packets the same as analog?

From: alexd on 24 Dec 2009 10:49
Meanwhile, at the alt.internet.wireless Job Justification Hearings, Peter
Pan chose the tried and tested strategy of:

> umm it's sending digital packets over the wire that happens to be a
> powerline, why would any rf noise effect those digital packets, any more
> than digital packets over an ethernet wire?

Ethernet will be twisted pair, whereas powerline won't. Also, you can get
shielded ethernet.

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