[57696] in North American Network Operators' Group

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RE: Fiber Converters, was RE: DS3 Coax..

daemon@ATHENA.MIT.EDU (Bender, Andrew)
Thu Apr 17 20:44:13 2003

Date: Thu, 17 Apr 2003 20:43:36 -0400
From: "Bender, Andrew" <abender@taqua.com>
To: "Christopher J. Wolff" <chris@bblabs.com>, <nanog@merit.edu>
Errors-To: owner-nanog-outgoing@merit.edu


Might be worth moving up to an honest-to-goodness ADM... there are very =
reasonable ones for point applications such as these, and they are made =
for continuous CO operation, unlike the wall-wart powered devices that =
seem to be so popular.  A number of our customers have had some luck =
with these:

http://www.oasystel.com/Products/Minimux155/Minimux155.htm

Regards,
Andrew Bender
taqua.com

> -----Original Message-----
> From: Christopher J. Wolff [mailto:chris@bblabs.com]
> Sent: Thursday, April 17, 2003 12:13 PM
> To: nanog@merit.edu
> Subject: Fiber Converters, was RE: DS3 Coax..
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> Andy,
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> Thank you for bringing up fiber converters.  I have a comment I was
> trying to bring to the list that escaped this old man's memory.
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> To the best of my recollection, I have not implemented a=20
> fiber converter
> that lasted more than say, 12 months.  I've tried different=20
> brands with
> no luck.
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> So, my question is, does a 'ruggedized' fiber/coax/X-baseT converter
> exist? =20
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> Regards,
> Christopher J. Wolff, VP CIO
> Broadband Laboratories, Inc.
> http://www.bblabs.com
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> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On=20
> Behalf Of
> Andy Ellifson
> Sent: Thursday, April 17, 2003 10:07 AM
> To: Mike (meuon) Harrison; nanog@merit.edu
> Subject: Re: DS3 Coax..
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> 735 DS-3 cable has a specification max length of 225'.  734 DS-3 cable
> has a specification max length of 450'.  When you use this long cable
> length, the mux that is providing the DS-3 needs to have the pads
> removed (or provisioned) for a long cable run.
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> Transition Networks (and others) make DS-3 fiber converters.  They are
> not cheap.  This would be my preferred method as fiber=20
> (especially OSP)
> is much better suited for outdoor exposure and temperature changes.
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> -Andy
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> --- "Mike (meuon) Harrison" <meuon@highertech.net> wrote:
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> > I need to run a DS3 across our parking lot.. Seriously.=20
> >=20
> > What's the max length I can use coax for (I know, gotta use a GID),=20
> > and what's the best brand/type of coax I can use? It'll be through=20
> > innerduct.. Looking for some real world answers from people that do
> > a LOT more of this than me..  (It might take 350-400 feet).=20
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