I am mainly used to the enterprise where most connections are deployed by some "normal" kind of fiber eg SFP+, QSFP+, SFP28, QSFP28 and those modules are almost fool proof, run cool and are reliable. Like most normal admin users, I like to use my own hardware for routing and switching rather than the often poor equipment provided by the ISP, especially when you have enterprise hardware that will be more reliable.
The normal path is that you would just take the fiber op........
A practical guide for admins who need to plan the required amount of bandwidth and what connectors/cards are needed for which.
Standard
Speed
Cable/Connector........