crossbar switch References crossbar switch electronics Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: telephone/ Electromechanical switching…that became known as the crossbar switch. The crossbar switch was a grid composed of five horizontal selecting bars and 20 vertical hold bars. Input lines were connected to the hold bars and output lines to the selecting bars. Read More…that became known as the crossbar switch. The crossbar switch was a grid composed of five horizontal selecting bars and 20 vertical hold bars. Input lines were connected to the hold bars and output lines to the selecting bars. Read More