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Re: [school-discuss] Success!



hello,

dave, what time is good to call you ?  at what number ?

mike eschman, etc ...
http://www.etc-edu.com/
"Not just an afterthought ...




On Thursday 29 August 2002 07:34 pm, Dave Prentice wrote:
> Doug,
>     The fiber lines are trunks from the comm hut outside to the wiring
> closets. From there, cat5 goes to the users. I have no experience with
> media converters. It sounds like this is beyond my expertise.
> Thanks for the info.
> Dave Prentice
> prentice@instruction.com
>
> -----Original Message-----
> From: Doug Loss <drloss@suscom.net>
> To: schoolforge-discuss@schoolforge.net
> <schoolforge-discuss@schoolforge.net>
> Date: Thursday, August 29, 2002 7:34 AM
> Subject: Re: [school-discuss] Success!
>
> >Dave Prentice wrote:
> >>     I have a problem that may run in a similar vein. Last year part
>
> of
>
> >> my school was online. During the summer the building was partially
> >> rewired, with some of the old cat5 cables replaced with fiber
>
> optics.
>
> >> However, the contractor didn't finish the job. They left a fiber
>
> optic
>
> >> cable going in and scores of cat5s coming out of several wiring
> >> closets, but they never got around to installing switches, hubs, or
> >> whatever you want to call them to connect the ins to the outs. That
> >> contractor is now gone, and my school is almost completely offline.
> >>     Does anybody know if there is a fiber optic NIC I could install
>
> in
>
> >> a freesco, or in anything else for that matter? It may be months
>
> (if
>
> >> ever) before the school district gets around to buying and
>
> installing
>
> >> the switches.
> >
> >I see others recommending FDDI and GigEthernet NICs for you, but from
>
> your
>
> >description it doesn't seem to me like those would be good solutions.
>
> Are
>
> >the fiber lines situated in such a way that the they would be used as
> >trunks between switches and the cat5 would be homeruns to "leaf"
>
> nodes
>
> >(user desktops, servers, etc.), or are they just occasional
>
> replacements
>
> >for the cat5 with no particular plan for the replacement?
> >
> >Arkian <http://www.arkian.co.kr/kor/html/product_unicom.html> has
> >100Base-FX NICs which will put 100 Mbps Ethernet directly over your
>
> fiber
>
> >(assuming it's multimode fiber), as does Alloy
> ><http://www.alloy.com.au/products/nic.htm>, Transition
> ><http://www.transition.com/products/nics/efa020x.htm>, Provantage,
> ><http://www.provantage.com/PR_43152.HTM?TRNT18L> and probably more.
> >
> >You will probably also need some media converters to get from the
> >100Base-FX fiber to 100Base-TX copper to connect to your hubs unless
>
> you
>
> >can find switches that offer both -TX and -FX connections.  In my
> >experience those are rare; usually they offer either one or the
>
> other, but
>
> >not both.  Media converters are available from Omnitron
> ><http://www.omnitron-systems.com/converters/converters.htm>,
>
> Versitron
>
> ><http://www.versitron.com/Media-Converters-links.htm>, MiLAN
> ><http://www.milan.com/converters/c2000.pdf>, Transition
> ><http://www.transition.com/products/mcon_platform/standalone/fastethe
>
> rnet/e100btxfx05.htm>,
>
> >and many others.
> >
> >--
> >How valuable is my contribution?
> >Share your feedback at Affero:
> >http://svcs.affero.net/rm.php?r=drloss
> >
> >Doug Loss                 All I want is a warm bed
> >Data Network Coordinator  and a kind word and
> >Bloomsburg University     unlimited power.
> >dloss@bloomu.edu                Ashleigh Brilliant