Yes, SDI was just designed for this kind of thing (moving video long distances between cameras in studios, tape decks and patch bays in technical rooms, vision

Yes, SDI was just designed for this kind of thing (moving video long distances between cameras in studios, tape decks and patch bays in technical rooms, vision switches and capture equipment in editing bays, etc.), whereas HDMI was only ever designed for connections of a few metres (and then active optical cables had to be made to try and fix the mess)…