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.
1 Each phone circuit consists of two wires in a pair. 2  One wire, with positive electrical polarity, is called the tip and is traditionally green within a phone jack, the other is negative, called ring, and is red. 3  The tip and ring terms come from the parts of an old-fashioned telephone switchboard plug.