Monday, November 22, 2021

Why no 1550nm optics for 100Gb/QSFP28?

Maybe this is a really dumb question, but why are there no 1550 extended range optics for 100Gb? They existed up until SFP+, but for whatever reason it seems like 100Gb extended range optics use 1310 now?

The reason I ask, is because I have a leased pair of dark fiber that has been CWDM'd by the provider to be only 1550. It's been 10Gb for awhile now, but we're looking to move to 100Gb and there doesn't seem to be any option here.



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