Routing numbers depend on the type of transaction made such as reorder Via Credit Union checks, receive incoming domestic or international wire transfers, use the number for wire transfers to your Via Credit Union account, or to set up direct deposits.
The switchboard was an essential component of a manual telephone exchange, and was operated by one or more persons, called operators who either used electrical cords or switches to establish the connections.mall towns typically had the switchboard installed in the operator's home so that he or she could answer calls on a 24 hour basis. In 1894, New England Telephone and Telegraph Company installed the first battery-operated switchboard on January 9 in Lexington, Massachusetts.
Chapter 4 - Switches. An electrical switch is any device used to interrupt the flow of electrons in a circuit. Switches are essentially binary devices: they are either completely on (âclosedâ) or completely off (âopenâ).hapter 4 - Switches. An electrical switch is any device used to interrupt the flow of electrons in a circuit. Switches are essentially binary devices: they are either completely on (âclosedâ) or completely off (âopenâ).