GOOGLE: Dark fiber is optical fiber infrastructure (cabling and repeaters) that 
is currently in place but is not being used. Optical fiber conveys information 
in the form of light pulses so the "dark" means no light pulses are being sent. 
For example, some electric utilities have installed optical fiber cable where 
they already have power lines installed in the expectation that they can lease 
the infrastructure to telephone or cable TV companies or use it to interconnect 
their own offices. To the extent that these installations are unused, they are 
described as dark.

-----Original Message-----
From: Deric Kwok [mailto:deric.kwok2...@gmail.com] 
Sent: Thursday, February 11, 2010 10:14 AM
To: James Jones
Cc: nanog@nanog.org
Subject: Re: dark fiber

Can I have question?

What is dark fiber?

Thank you



On Wed, Feb 10, 2010 at 5:08 PM, James Jones <ja...@freedomnet.co.nz> wrote:
> I am doing some research....is there a way to find out where there is dark
> fiber and who own's it?
>
>


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