Get some CWDM passive splitters on both sides: https://www.fs.com/c/cwdm-mux-demux-177
Then color matching CWDM 10G SFP+ optics: http://www.fs.com/c/cwdm-sfp-plus-65?70-80km=286 Looks like $600/ea end for CWDM 10G SFP+ and 8 channel CWDM for $330/ea end. $1200 + $660 + shipping and you can add another 7x10G links later. > On Apr 14, 2017, at 12:45 AM, Paul McCall <pa...@pdmnet.net> wrote: > > What equipment can we use (cost efficient) to light up 80 miles of dark fiber > at 10gbit? > > Paul, PDMNet