On Wed, Dec 14, 2011 at 10:38:47PM -0500, Keegan Holley wrote: > 2011/12/14 oliver rothschild <orothsch...@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. > > > > 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?
In my case, it was installed for compatibility with FDDI, and used mostly for 10BASE-FL and 100BASE-FX, which work up to 1 or 2km, until we started using it for 1000BASE-LX.