This article is great overall, but there is some stuff you should do differently, if you're wanting to follow in the author's footsteps: 1. Just use UPC connectors everywhere unless you have really good reasons not to. 2. Use single mode fiber (SMF) everywhere, including internal wiring. SMF is infinitely scalable for future needs, multimode (MMF) is not. These days the cost differences for cabling and optics is negl…
i.e. I assume you don't want to just wing it for every link, so do people typically choose to use all A/B on the switch side, and all B/A on the desktop/server side? If I were walking into a business, not having setup their network, what direction would I expect to need on the desktop/server side?