Re: 100G over 100 km of dark fiber
Turns out I was wrong, again. There is at least one vendor that offers pluggable 100G QSFP28 optics that can reach 120 km with amplification. Thanks to everybody that reached out! I appreciate all the input and lessons learned. Jared ------------------------------------------------------------------------------------------------------- Hello NANOG! I need to push 100G over 100 km of dark fiber. Since there are no 100G pluggable optics with this reach (~25 dB), I have been offered coherent transport systems to solve my problem. This is all good and well, except total system costs start from high five figures. So, my question is, do I have any other options? I can't help noticing that you can break out a 100G QSFP into four 25G QSFPs. 25G DWDM systems are relatively inexpensive (low five figures), but can you make 25G DWDM go 100 km? I only need the one 100G, so I don't really need a highly scalable DWDM system. I can't put anything midspan, or if I could it would cost more than just going with a coherent system. Jared
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Jared Brown