I concur. I have also used CWDM and DWDM optics and they are fine. I have had one QSFP+ optic go bad.
On Mon, Feb 18, 2019 at 07:47:10PM +0000, Brian R wrote: > Samir, > > I have purchased over a thousand SFPs from Fiber Store. I can recall less > than 5 having problems when we received them (not all even DOA) and I know > less than 10 dead even after deployment. Some we have ad running for 4+ > years. We have done very little with their SFP+ equipment, really only > testing and a few lower priority links. > The only downside to the SFPs that we found was the variance of power. Say > an Adtran, Cisco, Juniper, HP SFP is rated from -3dB to -8 db (all units I > have used them with), the equivalent FS direct SFP we have seen as hot as 3dB > and as weak as -15dB. These extremes are fairly rare but we have still seen > them. > Distribution (approximate): > 80% SM single fiber SFPs (mostly 10km - 40km, some 60km & 80km) > 7% 1Gb Copper > 5% MM SFPs > 5% SM dual fiber SFPs > 3% others (SFP+, GPON, testing, etc) > > I have not used them for any DWDM applications and only used them a few times > on an older CWDM link that used standard SFPs into a MUX. This was not over > great distances (less than 40 miles). With WDM SFP power consistency was > important so we did not play much with it, granted most of the SFPs I am > purchasing are in the $10-$25 range so take the extremes with a grain of salt. > > Their sales has always been very responsive and helpful. The > support/engineering, the few times I worked with them, were helpful but the > language barrier was harder here. > > Brian > > ________________________________ > From: NANOG <nanog-boun...@nanog.org> on behalf of Samir Rana > <samir.r...@cybera.ca> > Sent: Sunday, February 17, 2019 12:42 PM > To: nanog@nanog.org > Subject: fs.com dwdm equipment > > Hello All, > > Does anybody have experience with fs.com<http://fs.com dwdm equipment in > their production environment? Are you they working without any issue? How's > their warranty support if the issue arises? > > Thanks in advance for all the answers and help.