Actually, none of you are right! Here's the only correct and right answer:
Dark fiber is when you poke an active SMF strand in your eye and blind
yourself in at least 1 eye. Immediately after, you will stumble around in
the dark, tripping over the fiber that blinded you, hence the term, "dark
fiber." Interestingly enough, the term was coined by a Microsoft employee
working on a Nortel switch trying to connect to an IBM PS/2 to print to an
Apple LaserWriter. There, I have insulted enough of the industry.
On a more serious note, taken from www.whatis.com website:
Dark fiber is optical fiber infrastructure (cabling and repeater) 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. Dark fiber can refer to infrastructure that is in place but not yet
ready to use. 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.
"Dark fiber service" is service provided by local exchange carriers (local
exchange carrier) for the maintenance of optical fiber transmission capacity
between customer locations in which the light for the fiber is provided by
the customer rather than the LEC.
Works for me! Dark fiber = any piece of INSTALLED fiber not lit up. Your
carrier may or may not offer protection against backhoe cowboys who would
trench ya fiber right out of the ground...seriously!
Fibers, I mean, flames, to [EMAIL PROTECTED]
Charles
"Ty Hill" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Depends on who you are talking to. To me dark fiber means 1. fiber
strands
> that are currently not in use, or 2. private fiber that you or your
company
> has installed, that is not part of the local telephone company's
> infrastructure.
> This is how I have been using the term for over 15 years.
>
>
>
> "Yee, Jason" wrote:
>
> > I think dark fibre means a OC3 or OC12 link
> >
> > Jason
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > bahadir korkmaz
> > Sent: Wednesday, September 06, 2000 12:04 AM
> > To: [EMAIL PROTECTED]
> > Subject: what is dark fiber?
> >
> > hi.
> > what is dark fiber?
> > i found some sites that says dark fiber means unused fiber.
> > is it so?
> > i think dark fiber must be different then unused fiber.
> > i mean for example. 10gigabit ethernet runs on dark fiber.
> > dark must be something related to bandwidth or wavelength.
> >
> > if someone knows dark fiber definition i ll be happy.
> >
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