Telephone Switch

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Panel switch - The Panel telephone switch was an early type of automatic telephone exchange, first put into service in the 1920s. While the Strowger (step-by-step) switch moves synchronously with the dial pulses that come from the telephone dial, the Panel switch allows one digit of ...

Stepping switch - In electrical controls, a stepping switch (also called a uniselector) is an electromechanical device which allows an input connection to be connected to one of a number of possible output connections, under the control of a series of electrical pulses. The major use for these devices was in early automatic telephone exchanges (commonly called Strowger exchanges) to route telephone calls.

Nonblocking minimal spanning switch - A nonblocking minimal spanning switch is a piece of machinery, a "switch" that uses a particular algorithm to make connections. The most familiar use of switches of this type is in a telephone exchange.

Class 5 telephone switches - Term used in the USA telecommunications industry to refer to the type of telephone switch to which subscribers connect directly (also known as a Central Office).

Suggested Web Sites

Australasian Telephone Collectors Society Inc. - Open to anyone interested in telephones, insulators, switches and other equipment associated with telephony and telegraphy. Includes meeting dates, list of events, news, articles, and membership information. Located in Moorebank ...

Sungjin Techwin Co., Ltd. - Manufacture of micro, push button, telephone hook, slide DIP, leaf, tactile, power, door, skeleton, and slide switches, and ultra thin, rotary, and slide potentiometers. From South Korea.

The Telephone Historical Centre - ... antique phones to talking robots, this museum chronicles the evolution of telecommunications. Visitors can try to operate an old switchboard, use past switching equipment and see exhibits depicting the telephone repairman. Includes hours, admission fees, location and contact information.

Source: BazSites.com

Web Links

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