No, I don't think so. Originally you programmed by plugging "Patch Cords" into field of jacks. So to edit a program, you would swap around a bunch of Patch co

No, I don't think so. Originally you programmed by plugging "Patch Cords" into field of jacks. So to edit a program, you would swap around a bunch of Patch cords. The term "patch cord" comes from old Telephone switch boards.