[147593] in North American Network Operators' Group
Re: Range using single-mode SFPs across multi-mode fiber
daemon@ATHENA.MIT.EDU (Oliver Rothschild)
Thu Dec 15 07:44:53 2011
In-Reply-To: <CABO8Q6T0YKxipW8R1vSDHh-pL8fmG3pXjPavybQiN3=6mdeVsg@mail.gmail.com>
From: Oliver Rothschild <orothschild@gmail.com>
Date: Thu, 15 Dec 2011 07:43:44 -0500
To: Keegan Holley <keegan.holley@sungard.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Some idiot jumpered runs that existed between 3 different buildings. That pe=
rson did not know about the 550m limit that we also follow.
Sent from my iPhone
On Dec 14, 2011, at 22:38, Keegan Holley <keegan.holley@sungard.com> wrote:
>=20
>=20
>=20
> 2011/12/14 oliver rothschild <orothschild@gmail.com>
> Thanks to all who responded to my clumsy first question (both on
> matters of etiquette and technology). The group I work with (we are a
> small project acting as a last mile provider) was in the midst of
> deploying this solution when I posed the question. We put the single
> mode Juniper SFPs (LX) on to a run of approximately 1670 meters.=20
>=20
> How did you end up with a MM run this long? SX optics are only rated at 5=
00 meters at best. Even with mode conditioning jumpers more the 1km is a ri=
sk. I'm glad it held up during testing though. Just out of curiosity did y=
ou purchase dark from a provider? Is it inside of a building?
