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Light Line

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Published on Apr 7, 2016

Light Line. A film made in 1977 about the World's first installed optical fibre transmission system. It connected the telephone exchanges in the towns of Hitchin and Stevenage, in the UK. This unique film shows all the challenges that had to be overcome to make a practical and robust optical fibre communication system possible. It carried telephony traffic at a rate of 140 Mbit/second. For more information see www.opticalfibrehistory.co.uk

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