UPDATE: Please visit the update and more indepth version of the “What is an SFP?” article in our new CK Learning Center.
Mayday, mayday. We have a problem! We have two switches who desperately want to talk to each other but the walls of their switch cabinets are restricting conversation and they are located 7 feet away from each other. Luckily there is a transceiver that can help us out: the small form-factor pluggable.