Fiber Converters, was RE: DS3 Coax..

Spencer Wood Spencer.Wood at
Thu Apr 17 17:28:29 UTC 2003

How "ruggedized" do you need...We use for some ITS/Highway Projects that 
work pretty well....


Spencer Wood, Network Manager
Ohio Department Of Transportation
1320 Arthur E. Adams Drive
Columbus, Ohio 43221 
E-Mail: Spencer.Wood at
Phone: 614.644.5422/Fax: 614.887.4021/Pager: 866.591.9954 

"Christopher J. Wolff" <chris at> 
Sent by: owner-nanog at
04/17/2003 01:13 PM

<nanog at>

Fiber Converters, was RE: DS3 Coax..


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.

To the best of my recollection, I have not implemented a fiber converter
that lasted more than say, 12 months.  I've tried different brands with
no luck.

So, my question is, does a 'ruggedized' fiber/coax/X-baseT converter

Christopher J. Wolff, VP CIO
Broadband Laboratories, Inc.

-----Original Message-----
From: owner-nanog at [mailto:owner-nanog at] On Behalf Of
Andy Ellifson
Sent: Thursday, April 17, 2003 10:07 AM
To: Mike (meuon) Harrison; nanog at
Subject: Re: DS3 Coax..

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.

Transition Networks (and others) make DS-3 fiber converters.  They are
not cheap.  This would be my preferred method as fiber (especially OSP)
is much better suited for outdoor exposure and temperature changes.


--- "Mike (meuon) Harrison" <meuon at> wrote:
> I need to run a DS3 across our parking lot.. Seriously. 
> What's the max length I can use coax for (I know, gotta use a GID), 
> and what's the best brand/type of coax I can use? It'll be through 
> innerduct.. Looking for some real world answers from people that do
> a LOT more of this than me..  (It might take 350-400 feet). 

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