[147595] in North American Network Operators' Group
Re: Range using single-mode SFPs across multi-mode fiber
daemon@ATHENA.MIT.EDU (Justin M. Streiner)
Thu Dec 15 08:54:26 2011
Date: Thu, 15 Dec 2011 08:53:18 -0500 (EST)
From: "Justin M. Streiner" <streiner@cluebyfour.org>
To: Keegan Holley <keegan.holley@sungard.com>
In-Reply-To: <CABO8Q6T0YKxipW8R1vSDHh-pL8fmG3pXjPavybQiN3=6mdeVsg@mail.gmail.com>
Cc: nanog@nanog.org, oliver rothschild <orothschild@gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Wed, 14 Dec 2011, Keegan Holley wrote:
> 2011/12/14 oliver rothschild <orothschild@gmail.com>
> How did you end up with a MM run this long? SX optics are only rated at
> 500 meters at best. Even with mode conditioning jumpers more the 1km is a
> risk. I'm glad it held up during testing though. Just out of curiosity
> did you purchase dark from a provider? Is it inside of a building?
Legacy 10baseFL/100baseFX/FDDI can run fairly long distances over OM1.
In the past I've run 100baseFX over OM1 runs with multiple cross-connects,
out to about 2 km.
jms
