On Wed, Dec 14, 2011 at 10:02:58PM -0500, oliver rothschild wrote: > 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. We > successfully established a 1G ethernet connection. Testing to date has > been meager, but shows that the link is viable. Under significant load > there is some minor packet loss. Since the link far exceeds the amount > of data it required, we have decided to continue using it. > Interestingly neither interface showed any physical errors.
Technically you should be using offset-launch "mode conditioning" patch cords at each end when running LX over multimode fiber. I had been lucky with not using them for many years on 62.5/125 (OM1) multimode (and just started doing so again, albiet only for OOB/non-production traffic use). I believe my longest link was/is around 1 km. http://www.cisco.com/en/US/prod/collateral/modules/ps5455/white_paper_c11-463677.html
