wooden speed boats & cruisers marine electronics & electrical ac/dc energy systems marine inboard propulsion
The communication between all of above, can be a bundle of wires. Today, we connect, via a drop cable in the N2K Backbone.
Configuring or updating (or programming as some people like to call that) the MFD, can be done via your smartphone, tablet or PC. A Wi-Fi, Bluetooth or NFC connection is what you need. It's recommended to configure boat equipment not during a boat ride, due to possible reception loss.