[c-nsp] Dark fiber Termination requirements

Aaron dudepron at gmail.com
Tue Oct 14 11:44:57 EDT 2008


you also might require licensing to use transmission equipment. It has been
awhile since I dealt with this issue in AsiaPac. I remember some countries
had requirements to light fiber.


On Fri, Oct 10, 2008 at 7:04 AM, Dirk-Jan van Helmond <dirkjan at os3.nl>wrote:

> > We will be using single mode fiber as per the service provider.No idea
> > about the passive equipments as the service provider will only be
> > providing the fiber upto our office and we are supposed to get it
> > terminated on to our network
> > We will be wanting ethernet output and will want to transfer upto 10Gb of
> > data thru that fiber.
> > We will be using this dark fiber as a Leased line from head office to
> data
> > center.
>
>
> You'll probably get an end-to-end fiber.
> When the fiber is ready, youll get a measurement rapport with the distance
> of the fiber and the attenuation. With this information you can buy your
> optics.
>
> For ethernet:
>
> 10GBase-LR - 10Km
> 10GBase-ER - 40Km
> 10GBase-ZR - 80Km
>
>
> If the distances are bigger, you want SONET or specialized WDM optics.
> We use MRV optics. They have optics that can transport Ethernet over 200Km.
>
> Regards,
> Dirk-Jan
>
>
>
>
>
>
>
> > ----- Original Message -----
> > From: Dirk-Jan van Helmond <dirkjan at os3.nl>
> > To: v date <v_date at indiatimes.com>
> > Cc: cisco-nsp at puck.nether.net
> > Sent: Fri, 10 Oct 2008 15:25:12 +0530 (IST)
> > Subject: Re: [c-nsp] Dark fiber Termination requirements
> >
> >> Dear all,
> >>  We are in process of implementing dark fiber in japan for our office in
> >> Tokyo and I would require this information if anyone can provide me .
> >> The scenario is as follows:
> >> Service provider's hub is 20kms away from our office .he will be laying
> >> dark fiber from his hub to our office.
> >>
> >> How can we terminate this fiber in our network?
> >
> > Jou need dark-routers ;)
> >
> >> what type of equipments will be required ?
> >> Is it possible to terminate this fiber without CWDM equipments.?
> >
> > Dark Fiber is just a cable. I suppose its singlemode.
> > So you can use regular optics.
> >
> > There are some things that you need tot take into account:
> > - What is the end-to-end distance in KM?
> > - Is there active or passive equipment in between? How much dB?
> > - What do you want to transport? FC? Ethernet? 1G? 10G? SONET?
> >
> >
> > Regards,
> > Dirk-Jan
> >
> >
> >
> >
> >
> >
> >
> >
> > --
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> >
>
>
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