Crossbar telephone exchange demo
I have built a crossbar telephone exchange demonstrator using an Ericsson crossbar switch and an Arduino microcontroller. This video shows its operation and provides an explanation of the mechanism and its control.
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The 5XB Trouble Recorder
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The Line Finder In The Step-By-Step Telephone Switching System
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BIG Museum Telephone Exchange Rundown - Telephone Tuesdays
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My vintage Strowger Telephone Exchange Demonstrator
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Telephone Exchanges in Australia circa 1980
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"Long Distance" A short documentary on how long distance calls work - Circa 1941
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At the Connections Museum: the insane telephone technology that led to today's computers
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Corded telephone switchboard demo
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Long Lines
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The Secret Life of the Radio - Remastered
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2600? How Phreaking Really Worked
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AT&T Archives: Switchboards, Old and New (Bonus Edition)
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AT&T Archives: The Step-By-Step Switch
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An episode of As the Dial Turns: Making a call on a Number 5 Crossbar exchange
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End of an Era | BT Heritage
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Electromechanical memory - Impulse regenerator nr 1
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Speedy Cutover Service, SXS switching cutover to ESS filmed live at Glendale CA central office, 1984
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Got a dime? 🪙 How Payphones Actually Work!
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PBX Phones - Without a PBX?
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