Rip it out and run 9/125 SMF fiber home runs. Use BiDi SFPs to re-use your existing (likely SMF thankfully) cable plant. My opinion.
-Ben. AS15206 > On Dec 6, 2018, at 7:18 PM, Nick Bogle <n...@bogle.se> wrote: > > Hello fellow NANOG members :) > > Let me start with a little bit of background, my day job is a Network > Engineer for a local university where we have primarily a Cisco environment > from phones to switching to routing, etc. Before my time, we hired a > contractor to design a GPON LAN system for a new building as a cost saving > measure (though I am not sure how successful that was). > > Either way, the contractor is about to hand the system off to us, and we have > gone through the training and such, and I feel confident in my ability to > manage the system, but we have a few questions that the manufacturer of our > equipment and our contractor didn't really want to answer. We are currently > using a Dasan Zhone MXK-F1419 with several different downstream ONT models > (all Zhone). > > -We would like to consider use of 3rd party GPON B+ Optics on the linecards > to add redundancy to the splitter (as the cost of 1st party are too high). > Does anyone have experience with 3rd party vendors/compatibility/stability > issues? We were told they theoretically should work and just throw a log > event, but it hasn't been tested. If so, what vendors would you recommend? So > far all we've really seen are Ubiquiti and Fiberstore optics. > > -As GPON is a standard itself, I'm aware interoperability between OLT and ONT > vendors is heavily limited.. Does anyone have any experience using say, Zhone > ONT's with a different model OLT, or Zhone ONT's with a different model OLT? > I've heard word that Zhone ONT's may be able to work with Nokia OLT's but > it's technically not supported. > > -We've already experienced some pretty big stability issues (have replaced 1 > line card 5 times..), our contractor is saying it's just because we were a > pretty early adopter of this line and that they've fixed it and fixed > internal policies to add additional QA and testing before shipping to > customers. Does anyone have any experience with working with Zhone and their > overall stability of components? > > - Any other thoughts/gotchas/advice for deploying a GPON environment in a > corporate LAN? (or about deploying a Zhone solution) It's pretty service > provider oriented, and is incredible noticeable in the CLI. > > Feel free to contact me offlist if you have any pertinent info that you don't > want on the list. > > Thanks, > > Nick Bogle > n...@bogle.se
