[57667] in North American Network Operators' Group
Re: DS3 Coax..
daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Thu Apr 17 11:58:28 2003
Date: Thu, 17 Apr 2003 16:57:50 +0100 (BST)
From: "Stephen J. Wilcox" <steve@telecomplete.co.uk>
To: "Robert E. Seastrom" <rs@seastrom.com>
Cc: "Mike (meuon) Harrison" <meuon@highertech.net>, <nanog@merit.edu>
In-Reply-To: <87el413yx0.fsf@valhalla.seastrom.com>
Errors-To: owner-nanog-outgoing@merit.edu
On 17 Apr 2003, Robert E. Seastrom wrote:
>
>
> "Mike (meuon) Harrison" <meuon@highertech.net> writes:
>
> > 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).
>
> The textbook limit is 450' for 735 cable. I've had poor luck pushing
> the limit, and don't know offhand if using some other flavor of 75 ohm
> cable buys you anything.
>
> Were I in your position, I'd have glass pulled and use a coax to fiber
> media converter such as http://www6.adc.com/ecom/hier?NODE=OND68947,
Or a wireless/microwave solution of course...
Steve
> http://www.versitron.com/DS3T3.html, or
> http://www.rad-direct.com/DATASHEET/FOM-T3.pdf (the latter of which
> I've used personally) on each end. No, it's not the cheap way to do
> it, but it eliminates ground loops and other such nastiness that can
> ruin your whole day.
>
> ---Rob
>
>
>
