>> I've got a link that is testing out at 29.5db loss @ 1550. Its 107km. >> Shoot me a few suggestions? > http://www.finisar.com/product-113-1_Gigabit_CWDM_GBIC_with_APD_Receiver_(FTR-1619-xx) > 30dB. Will do more, we've done ~180km (~36dB) with one of those.
http://www.ghipsystems.com/en/Products/SFP-en/SFP-en.html - optics with 30dB margins also. I imagine these are fairly widely available from more local (to you) vendors. You could send someone to clean all the connectors too ;-) Will